louisiana soil classification

Louisiana State University Agricultural Center H. Rouse Caffey Chancellor. 0000071751 00000 n Table 2.1 Table 2.1 Soil series, texture, and taxonomic classification for sampling sites in General soil map, Louisiana. The soil is well to poorly drained, and includes alfisols, entisols, inceptisols and ultisols. LOUISIANA DEPARTMENT OF ENVIRONMENTAL QUALITY Depth of >15feet bgs LimitingRSisthe lowerof: Soili orSoilni Soilsat SoilGW 15feet 2003 Identification of AOI Concentration and RECAP Standards for Impacted Soils If the depth of impact is equal to or less than 15 feet bgs If the depth of impact is greater than Read the latest conservation success stories that show how NRCS and farmers and ranchers work together to improve agricultural operations while helping the environment. <]>> Helps producers protect wetlands, grasslands and farmlands for future generations. The soil is poorly to moderately well drained, and includes alfisols, entisols, inceptisols and vertisols. immense contributions to the study of Louisiana soils have made the job. of Agriculture, Natural Resources Conservation Service In Cooperation With Louisiana Agricultural Experiment Station Parish Date (General) Map No. To obtain technical information about the use of soil data, please contact the NRCS State Soil Scientist in your state, or emailSoils Hotline Staff. 0000019672 00000 n The Eastern Gulf Coast Flatlands MLRA is a region of low coastal plains with many large streams. The Gulf Coast Prairies MLRA contains plains of clay and loam along the Gulf Coast. [Fort Worth, Tex. To . 0000008034 00000 n One commonly used classification system for wetlands was developed by Cowardin and is described in Classification of Wetlands and Deepwater Habitats of the United States. 3. Kislak accession no. [Fort Worth, Tex.] 1 0 obj endobj <> agC 0000003794 00000 n Onsite investigation is needed in some cases, such as. Applications for NRCS conservation programs are ranked and funded at key times throughout the year. C,? Soil Taxonomy The second edition of Soil Taxonomy, A Basic System of Soil Classification for Making and Interpreting Soil Surveys is the result of the collective experience and contributions of thousands of pedologists from around the worl. Her previous jobs include reporter, photographer and editor for a weekly newspaper. 75 51 "March 1998." This MLRA consists of crop, pasture and range lands, as well as forested areas along the rivers and stream. CM. A state soil is a soil that has special significance to a particular state. Cobble ( Particle size between 60 mm to 200 mm). 0000079749 00000 n Base compiled from U.S. Department of the Interior Geological Survey 1:2,500,000 United States map." Use the USDA-NRCS's new web-based soils information system: Web Soil Survey. Natural Resources Conservation Service. A visual basic soil engineering classification program, Louisiana Soil Classification by Cone Penetration Test Program ( Figure 7 ), was developed utilizing the CPT data to provide. Helps landowners restore, enhance, and protect forestland resources on private and tribal lands and aids the recovery of endangered and threatened species. Retrieved from the Library of Congress, . 2.2: Soil Classification and Mapping. Louisiana Soil Classification A BE Bt B/E Btx Generalized Geologic Mapof Louisiana, 2008 0 50 miles25 0 50 kilometers25 Open water Alluvium (Holocene) Coastal marshes (Holocene) Terraced braided-stream deposits (Pleistocene) Citronelle andWillis Formations (Pliocene) Terraces (Pleistocene) FlemingFormation (Miocene) 0000010393 00000 n United States Natural Resources Conservation Service & National Cartography And Geospatial Center, U. S. (1998) General soil map, Louisiana. She currently works as a writer and copy editor. : USDA-NRCS National Cartography & Geospatial Center ; Alexandria, La. United States. This MLRA is mostly farmland with scattered forested wetlands. This MLRA consists of forested areas, farms and pastureland. This MLRA includes the soil orders alfisols, entisols, inceptisols and vertisols. Fish and Wildlife Service for the National Wetlands Inventory. Soil Gradation and Classification.docx. Provides assistance to agricultural producers to address natural resource concerns. 12/9/2013 7:13 AM. No 1-Solution.pdf Louisiana State University soils . : State Conservationist, distributor], 1998. A division under a major classification for which a contractor may be licensed for a specific trade. The land is used for timber production, and as forage and crop land. The coordinate systems are Geographic. Sanitary and Nonsanitary Waste and Sewerage Construction; Removal, Repair, andMaintenance for Buildings and Premises. : State Conservationist, distributor, 1998] Map. "May, 1989." To obtain SSURGO soil spatial and attribute data: Web Soil Survey (download only)Soil Data Access -- Soil Data Access is the name of a suite of web services and applications whose purpose is to meet requirements for requesting and delivering soil survey spatial and tabular data, that are not being met by the current Web Soil Survey and Geospatial Data Gateway websites. MADISON, Wis., April 27, 2023 The U.S. Department of Agriculture Natural Resources Conservation Service (NRCS) in Wisconsin has announced one statewide virtual Local Working Group (LWG) meeting to include a statewide presentation and four breakout sessions by NRCS administrative areas for further feedback to follow. Applications will be accepted starting May 1, 2023, through . Map from pocket. 0000071825 00000 n Brings together partners and producers to protect wetlands. Most of this MLRA is forested with small areas of crop and pasture land. "Source: USGS 1:2,000,000 DLG data and information from NRCS field personnel." 0000066213 00000 n Responsibility for making an independent legal assessment of an item and securing any necessary permissions ultimately rests with persons desiring to use the item. :I&}wN%lHaX~vu INHII(fqx\)yr2+nK:VqW/ey-Vq18_g U xQ4>- J$^BIJ/@LuMeYj4A >',x%oX\Pd?>jb p?C~?V\n!,xxVWL4GGS3"$V4Ce;i4S^\.0&$I>bNE3$):=VSYNveR~V7u)7eCYiD9}RA}FDa4QW1]G3#.I@'!dNgC#1%@Oa"ahPAq!rKLL V0`}N(|nK"tbg Jp5?K]c'[A#LDuQETg:LR6w0=M}PF.(`9 k8:S>g94/H6ydd1!o Av X Expert Help. Access study documents, get answers to your study questions, and connect with real tutors for CM 3503 : soils at Louisiana State University. 0000006829 00000 n To conduct field and/or laboratory investigations of specific soil genesis, morphology and classification related problems for which standard soil characterization provides insufficient information and where soil-related factors are a variable. These official state soils share the same level of distinction as official state flowers and birds. Soil Survey Staff, Natural Resources Conservation Service, United States Department of Agriculture. Click or Press the Enter or Spacebar key to view the larger image. The soil consists of moderately to poorly drained silty alluvium. Understand the structure of Soil Taxonomy. 0000065759 00000 n The Library of Congress is providing access to these materials for educational and research purposes and is not aware of any U.S. copyright protection (see Title 17 of the United States Code) or any other restrictions in the Map Collection materials. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. Some community types are widespread across the state and while others are localized or restricted. To obtain chemical, physical and mineralogical data for benchmark soils in Louisiana. - 12/9/2013 7:18 AM. 10034452-01." The soil classification index, U, provides a soil profile over depth with the probability of belonging to different soil types, which more realistically and continuously reflects the in-situ soil characterization, which includes the spatial variation of soil types. To maintain eligibility for most USDA programs, producers must comply with wetland conservation provisions. Unique factors of soil formation, which include parent material, climate, topography, living organisms and time, have combined to produce soils across the state that are fertile, unique and reflective of local ecosystems. NRCS has employees in counties across America that help local communities every day. 0000023828 00000 n 0000079675 00000 n a convenience, and may not be complete or accurate. xref <> : State Conservationist, distributor] [Map] Retrieved from the Library of Congress, https://www.loc.gov/item/2002626323/. Many soil samples were analyzed in laboratories. Helps agricultural producers take their conservation efforts to the next level. The extent of a SSURGO dataset is a soil survey area, which may consist of a single county, multiple counties, or parts of multiple counties. %%EOF 3 0 obj The soil is poorly to moderately well drained, and includes alfisols, entisols, inceptisols and vertisols. The state soil of Louisiana is the Ruston soil series, covering 733,714 acres. Land management impacts on soil carbon stocks in Louisiana. SSURGO datasets consist of map data, tabular data, and information about how the maps and tables were created. Council for International Exchange of Scholars (US Fulbright Program) [$21,460] Weindorf, D.C. 2010. Stay updated on the latest news and stories from NRCS and other USDA topics. Available also through the Library of Congress Web site as a raster image. Log in Join. Louisiana's climate is subtropical, a natural result of its location on the Gulf of Mexico. Plan the perfect garden with our interactive tool , Louisiana State University: Louisiana Soil Classification, University of Idaho: The Twelve Soil Orders. In the United States, soils are classified into 12 categories, called orders, based on the development, fertility, and organic and mineral content. Natural Resources Conservation Service. Keys to Soil Taxonomy Taxonomic keys for field classification. Boulder ( Particle size greater than 200 mm ). The soils include alfisols, entisols, inceptisols and vertisols. The Gulf Coast Prairies MLRA contains plains of clay and loam along the Gulf Coast. 6&B2 m/x=@ pN : 1995.040.00.0003 gsl card not found 2006-09-28 vj05 LAC tnb 2020-09-24 no Jay I. Kislak Collection (Library of Congress) - Latour, Arsne Lacarrire. General soil map, Louisiana. 0000001726 00000 n 0000026133 00000 n 11 AGRICULTURAL LANDS CLASS II 1100 AGRICULTURAL LANDS CLASS II (USE VALUE) Accessed [month/day/year]. 0000079560 00000 n Find them in the USDA Employee Directory. Many soil samples were analyzed in laboratories. Available also through the Library of Congress Web site as a raster image. Please enter your comment or question about the website here. Most of this MLRA consists of forests and timberland, in addition to some farm and pasture lands. The map units are typically named for the major components. <> endstream endobj 76 0 obj<>/Metadata 73 0 R/Pages 72 0 R/Type/Catalog>> endobj 77 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageC]/Properties<>>>/ExtGState<>>>/Type/Page>> endobj 78 0 obj<> endobj 79 0 obj[/Separation/PANTONE#20195#20C 100 0 R<>] endobj 80 0 obj[/ICCBased 98 0 R] endobj 81 0 obj[/Separation/PANTONE#20124#20CVC 100 0 R<>] endobj 82 0 obj[/Separation/PANTONE#20342#20CVU 100 0 R<>] endobj 83 0 obj[/Separation/PANTONE#20267#20CVC 100 0 R<>] endobj 84 0 obj<> endobj 85 0 obj<>stream 0000004382 00000 n Find information about NRCS career opportunities. trailer << /Size 91 /Info 76 0 R /Root 79 0 R /Prev 102137 /ID[<294add8e49ce78024d05ee980bcb47a3>] >> startxref 0 %%EOF 79 0 obj << /Type /Catalog /Pages 73 0 R /Metadata 77 0 R /PageLabels 71 0 R >> endobj 89 0 obj << /S 311 /L 372 /Filter /FlateDecode /Length 90 0 R >> stream Most of the soils in the state are formed from alluvial sediments deposited by the Mississippi, Ouachita and Red Rivers. The maps in the Map Collections materials were either published prior to 1922, produced by the United States government, or both (see catalogue records that accompany each map for information regarding date of publication and source). Most of the soils in the state are formed from alluvial sediments deposited by the Mississippi, Ouachita and Red Rivers. 0000001265 00000 n Gravel (soil with particle size greater than 2mm). The texture of soils is determined by the amount of weathering caused by temperature changes, moisture content and other factors. xb```66}mA10pXE&Gzh4I= I[Yf`ms?\m}Ld*zjfV^xLR1TRTZ`U;:4[ZFGGp&SXQPP$Z0b`/Y l stream The technical resources and references NRCS provides uses science-based technology to aid conservation planning and benefit soil, water, air, plants, and animals for productive lands and healthy ecosystems. <>>> dv`3t22frEKK38K:[N.+.+V9tMtX^0z2D0 Tfe`{y 0 32eIe mF The Regional Conservation Partnership Program (RCPP) is a partner-driven approach to conservation that funds solutions to natural resource challenges on agricultural land. % "1008436." [Fort Worth, Tex. eLYM[jtYj#PnC. Conservation and organics go hand-in-hand, and NRCS offers tools for organic farmers to improve their operations. 1 map : col. ; 24 x 27 cm., on sheet 28 x 43 cm. %PDF-1.5 3. Review the amount and availability of financial assistance for selected conservation practices in your state. 125 0 obj<>stream K. W. Tipton Director. B|Y.J)|>-7:rgh->sxz~\q~+=-\||NS8\`^9q\[ 0=KL1{aq4ad=7%a>1>@BM6_:X0;qkaIN'FUuWRJid% vo 89&?,;&deZCs[Z#0~QJJ8uF 9~@yw/CaGXv|x Jo@kim"nq90" Soils are formed from rock and sediment over long periods of time. 4 0 obj NRCS programs are administered following the National Historic Preservation Act and other laws. United States--Louisiana, - The clay or loam soil is well to poorly drained, and it includes alfisols and ultisols. Provides targeted assistance to promote use of high tunnels, which offer many benefits including longer growing season. A classification which does not fall under a major classification in the Louisiana Contractors Licensing Law. 0000001316 00000 n The U.S. Seismic Design Maps tool provides seismic design parameter values for the U.S. and its Territories from the following documents: International Building Code: 2012 , 2009, and 2006. 2 0 obj x]msT\%q2vL:;$5EYX %R8\.OVGOVOj ?KbQ5@x)=}{U2BM%pz zbRDIW= |M|^U^/w/o x{>~oB??( M5)5Pq*MF5qUD7M';5ml4HArLth7 jwd8KaIaKj:; }dy'=C`h4TOFcdL2t1y'{. NCHRP Soil Properties of Louisiana Visit GIS web app This GIS web application returns soil properties for subgrade materials developed under the NCHRP Project 09-23B for all of Louisiana, searchable by LADOTD Control Section, LADOTD LRS-ID or LADOTD project numbers. This. stream According to LNHP's current natural community classification, the Louisiana Natural Heritage Program tracks 68 community types within the 6 ecoregions of Louisiana. "Official soil series description" is a term applied to the description approved by NRCS that defines a specific soil series in the United States. 0000003545 00000 n Farm Bill special provisions provide incentives and address unique circumstances of historically underserved producers. The soils include alfisols, mollisols and vertisols. Conservation assistance is available for urban farmers, including high tunnels, soil health practices, composting and irrigation. Dont be a victim twice. Helps private and tribal landowners protect, restore, and enhance wetlands degraded by agricultural uses. 2016 Standard Specifications for Roads and Bridges Manual. endstream endobj 86 0 obj<> endobj 87 0 obj<> endobj 88 0 obj<>stream A division under a major classification for which a contractor may be licensed for a specific trade. Soil Conservation Service. Hills and steep valleys form the Southern Mississippi Valley Loess MLRA. More details were gathered at a scale of 1:12,000 than at a scale of 1:63,360. 0000068340 00000 n Use this tool to learn about natural resource concerns that may impact your ag operation (farmers.gov). 0000001824 00000 n Louisiana is part of 11 Major Land Resource Areas (MLRA), according to the U.S. Department of Agriculture. The information was gathered by walking over the land and observing the soil. Text on verso. They contain technical information about the conservation of soil, water, air, and related plant and animal resources. Sediments carried in the Mississippi River form the foundation for the coastal marshes. Melody Lee holds a degree in landscape design, is a Florida Master Gardener, and has more than 30 years of gardening experience. Brings together partners to expand the reach of NRCS conservation programs. North Atlantic Regional Office - Brouse, Roxanne S. - Rieley, William D. Introductory reports signed: Amos Eaton. USDA-NRCS [$30,000] Weindorf, D.C. 2010. endobj 2006 Standard Specifications for Roads and Bridges Manual. A classification that allows you to bid or perform work, with some exceptions, on any of the subclassification/specialty type work listed under the respective major classification and/or any other work that might not be listed which is directly related to the major classification. An official website of the United States government. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> endobj : USDA-NRCS National Cartography & Geospatial Center ; Alexandria, La. The land in the Southern Mississippi River Terraces MLRA is level to gently sloping. The guide provides researchers and others interested in soils with a concise key to the classification of soils throughout Louisiana along with information on geology, climate, vegetation, etc. Louisiana is part of 11 Major Land Resource Areas (MLRA), according to the U.S. Department of Agriculture. Learn the proper steps to take before you hire acontractor for your home repairs. The soil varies from poorly to well drained, and consists of forested wetlands and croplands. The Louisiana Agricultural Experiment Station follows a nondiscriminatory policy n. programs and . Business and Law course is required for all licenses except the Home Improvement Registration. Schools. 0000079465 00000 n Natural Resources Conservation Service. 0000066619 00000 n [Fort Worth, Tex. For over 80 years, weve helped Americas farmers, ranchers, and landowners conserve our nations resources through our voluntary programs and science-based solutions. 75 0 obj <> endobj There are no required exams for the Home Improvement Registration. Click HERE to view our Rules & Regulations page. 0000009208 00000 n 0000079495 00000 n LOUISIANA DEPARTMENT OF ENVIRONMENTAL QUALITY | Secretary Roger W. Gingles, Risk Evaluation / Corrective Action Program, For Technical Assistance Regarding RECAP, the Department may be, Solid Waste Financial Assurance Templates, Hazardous Waste Financial Assurance Templates, Table 1 - Screening Option - Screening Standards for Soil and Groundwater, Table 2 -Management Option 1 - Standards for Soil, Table 3 - Management Option 1, 2, and 3 - Standards for Groundwater, Appendix B - Site Investigation Requirements, Appendix D - Guidelines for Assessing Petroleum Hydrocarbons, Polycyclic Aromatic Hydrocarbons, Lead, Polychlorinated Dibenzodioxins and Polychlorinated Dibenzofurans, and Non-Traditional Parameters, Appendix E - North American Industry Classification System, Appendix G - Guidelines for Addressing Additive Health Effects Under the RECAP, Appendix H - Methods for the Development, Identification and Application of Screening Standards and MO-1, MO-2, and MO-3 RECAP Standards, Appendix H Tables H-1, 2, 4 & Worksheets 1-6 & 9-16, Appendix H Table 5 - Management Option 1 and 2 - Standards for Ca, Appendix I - A Site-specific RECAP Evaluation for Typical UST Sites, Designation of Letters - Soil (for Categories 1-16), Designation of Letters - Groundwater (for Categories 1-16), Risk Evaluation / Corrective Action Program (RECAP). endobj The soil orders include alfisols, entisols, histosols, spodosols and ultisols. winter months, cold fronts advancing from north to south can cause sharp drops in temperatures, to include freezing temperatures in much of the state. Access local services provided by the Farm Service Agency, Natural Resources Conservation Service, and the Rural Development agencies. Available also through the Library of Congress Web site as a raster image. NRCS can help ag producers and communities recover when natural disasters strike. "Produced as a cooperative effort between NRCS Soil Survey Staff, Louisiana Department of Agriculture and Forestry, Louisiana State University and Agricultural and Mechanical College, Louisiana Agricultural Experiment Station. National Cartography and Geospatial Center (U.S.) - Alabama Cooperative Extension Service - United States. Ultisols, commonly known as red clay soils, are one of twelve soil orders in the United States Department of Agriculture soil taxonomy.The word "Ultisol" is derived from "ultimate", because Ultisols were seen as the ultimate product of continuous weathering of minerals in a humid, temperate climate without new soil formation via glaciation.They are defined as mineral soils which contain no . Before sharing sensitive information, make sure youre on a federal government site. of those who follow so much easier. 2006 Supplemental Specifications. Weindorf, D.C. 2011. Soil classification, conservation, and interpretations on the Transylvanian Plain, Romania: A GIS approach. CM 3503. . %PDF-1.3 % Airport Baggage Handling & Ground Support Systems, Landing/Lighting Systems, & Passenger Boarding Bridges, Analytical Sampling, Auditing, Inspection and Testing, Artwork, Stained Glass, Stages, Exhibits, Screens, Domes, Artificial Scenery, Cathodic & Corrosion Protection, Thermal Spraying, Coastal Restoration & Habitat Enhancement, Communication and Electrical Utility Poles, Concrete, Masonry, and Asphalt Rehabilitation & Enhancement, Concrete Construction (Excluding Highways, Streets, and Bridges), Cranes, Crane Rail Systems, Roof Cars & Trolleys, Curb and Gutter, Driveways, Sidewalks, Retaining Walls, Patios, Foundations, Diamond Core Drilling, Grouting & Foundations, Distillation Trays and Fractioning Towers, Doors, Door Frames, Door Hardware, and Operable Walls, Doors, Door Frames, and Operable Walls (Excluding Door Hardware), Electrostatic Precipitators Erection and Installation, Epoxies, Polymers and Plastics Excluding Insulation, Fiberglass and Plastic Fabrication and Installation, Furnaces, Incinerators, Refractory, Heat Exchangers, Furniture, Fixtures, and Institutional & Kitchen Equipment, Glass, Glazing, Store Fronts, Metal Partitions, Panels and Siding, Groundwater Monitoring Well, Remediation and Monitoring Systems, and Recovering Wells, Incidental Highway Work Excluding Drainage, Earthwork, Landscaping and Paving, Industrial Cleaning and Material/Waste Handling, Install Repair or Close Underground Storage Tanks, Joint Installation, Sealing and Re-Sealing, Landfill Gas and Leachate Control Systems, Metal Buildings, Cold-Formed Metal Framing, Siding, Sheet Metal, Metal Products, Mining & Mineshaft and Slope Repairs & Construction, Ornamental Metal, Cupolas, Dormers, Steeples, and Clock Towers, Painting, Coating and Blasting (Industrial and Commercial), Personnel Fall Protection & Debris Containment Systems, Scaffolding, Shoring, Pollution and Environmental Control Systems, Portable Buildings, Modular Manufactured and/or Mobile Housing, Recreation & Sporting Facilities & Golf Courses, Reinforcing Rods and Wire Mesh, Dowels & Post-tensioning, Seeding, Sodding, Load & Soil Stabilization, Erosion Control, Sheet Piling, Signs, Scoreboards, Displays, Billboards (Electrical & Non-Electrical), Soft Abrasive Cleaning, Janitorial Services, and Household Waste Removal, Sound and Vibration Control Systems and Enclosures, Specialized Interlocking Pavement Systems, Telecommunications (Excluding Property Protection and Life Safety Systems), Waterproofing, Coating, Sealing, Concrete/Masonry Repair, Well Servicing, Workover, Completion and Plug & Abandon Wells, Affidavit Claiming Exemption from Licensure, Checklist of Items Required for Licensure, Provisions to Assist Individuals with Military Training and Experience. NRCS has soil maps and data available online for more than 95 percent of the nation's counties and anticipates having 100 percent in the near future. 0000079111 00000 n : USDA-NRCS National Cartography & Geospatial Center ; Alexandria, La. Assistance to inventory and analyze farm systems that use energy and identify ways to improve efficiency through an Agricultural Energy Management Plan. 0000003207 00000 n View Web Soil Survey release history, Sign up for e-mail updates via GovDelivery, Citing Web Soil Survey as a source of soils data, Soil surveys can be used for general farm, local, and wider area planning. Each state in the United States has selected a state soil, twenty of which have been legislatively established. This paper presents the implementation of CPT soil engineering The effect of correcting the cone tip resistance against pore pres- classification methods in a handy tool computerized MS-Windows sure generated behind the base (u2) on CPT soil classification was Visual Basic program (Louisiana Soil Classification by Cone Pen- demonstrated through . The coastal marshes of Louisiana cover approximately 10,700 square miles and comprise approximately 12% of the nation's coastal wetlands. National Park Service. Shaw & Shoemaker 38034, 38035 Available also through the Library of Congress Web site as a raster image. The loam and clay soils of the Red River Alluvium MLRA are located on the alluvial plain along the lower Red River. The Unified Soil Classification System ( USCS) is a soil classification system used in engineering and geology to describe the texture and grain size of a soil. 4/19/2018 3:08 PM. One central entry point for you to access information and help from USDA, Conservation Compliance: Wetlands and Highly Erodible Land Provisions, Regional Conservation Partnership Program, Voluntary Public Access and Habitat Incentive Program, Agricultural Conservation Easement Program, Conservation Effects Assessment Project (CEAP), View All Education and Teaching Materials, SSURGO/STATSGO2 Structural Metadata and Documentation. Technical service providers offer planning, design, and implementation services to agricultural producers on behalf of NRCS. Specialty Classification. Welcome to the NRCS newsroom! 0000091284 00000 n <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Available also through the Library of Congress Web site as a raster image. endobj : USDA-NRCS National Cartography & Geospatial Center ; [Alexandria, La. Published soil surveys can be found at some libraries or borrowed through interlibrary loan. 2009 AASHTO Guide Specifications for LRFD Seismic Bridge Design.

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louisiana soil classification