United States Department of Agriculture
Natural Resources Conservation Service
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Welcome to the NRCS Soils Website.

Helping People Understand Soils

Soils is part of the National Cooperative Soil Survey, an effort of Federal and State agencies, universities, and professional societies to deliver science-based soil information.

Example of an Emergency Response map.

Emergency Response Maps

Soil interpretation maps for emergency response and disaster recovery are being updated for 2008. New maps for Florida and Lousiana, including interpretations for sources of sand, gravel, and roadfill; suitability for catastrophic large animal disposal; and other interpretations have just been posted to the Soil Geography section.

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Cover of "Installing Monitoring Wells in Soils".

Installing Monitoring Wells in Soils

This document provides general guidance on how to install and use piezometers and water-table wells to investigate soil water regimes under conditions commonly encountered in Soil Survey and hydropedology studies.

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Cover of Geomorphic Description System (GDS) guide.

Geomorphic Description System (GDS), version 4.11

The Geomorphic Description System (GDS) is now available in PDF format.  This document provides a descriptive method and a technical guide for applying and understanding geomorphic and geologic concepts and terms for soil inventory in the National Cooperative Soil Survey (NCSS) Program. Definitions, criteria, concepts, and operational guidelines presented focus on soil inventory needs and applications.

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Screen capture from MLRA Explorer.

New Mapping Tool Makes Things Easy

MLRA Explorer — A new web-based mapping tool that provides the user with the ability to search by Major Land Resource Areas (MLRA) and Land Resource Areas (LRR) using a variety of geographic and attribute questions that create customized maps of narrative descriptions and photos. It also provides the user with the ability to print and/or export specific subsets of the USDA Agriculture Handbook 296.

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Photo of soil scientists being trained in the field.

NCSS Training Website

A website has been developed to assist National Cooperative Soil Survey (NCSS) soil scientists and their supervisors in identifying training opportunities and resources. Links are provided for schedules, course descriptions, job aids to supplement training, and other helpful topics. GIS-related training includes: (1) GIS fundamentals for all soil scientists; (2) a recommended sequence of GIS-related training, especially for newly hired soil scientists; and (3) training for employees of all soil survey-related offices.

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The Natural Resources Conservation Service provides leadership in a partnership effort to help people conserve, maintain, and improve our natural resources and environment.

Last Modified: 09/17/2008