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Natural Resources Conservation Service

A Lake Tahoe Basin Environmental Data Resource

Natural Resources Conservation Service (NRCS) logo

Web Soil Survey (opens new window) NEW!!
Natural Resources Conservation Service web site allows online viewing of soil survey maps and reports. This new application greatly enhances access to information on soils and includes the newly created Lake Tahoe Basin Soil Survey information database. Using the Soil Survey tab under "Quick Navigation" allows you to select California or Nevada as your state and "Tahoe Basin Area" as the specific Soil Survey Area.

Soil Data Mart (opens new window)
The Natural Resources Conservation Service (NRCS) assists owners of America's private land with conserving their soil, water, and other natural resources. Local, state and federal agencies and policymakers also use NRCS resources. NRCS delivers technical assistance based on sound science and suited to a customer's specific needs.

SNOTEL (opens new window)
The Natural Resources Conservation Service (NRCS) installs, operates, and maintains an extensive, automated system to collect snowpack and related climatic data in the Western United States called SNOTEL (for SNOwpack TELemetry). The system evolved from NRCS's Congressional mandate in the mid-1930's to forecast the water supply.

National Cooperative Soil Survey Standards Documents

Web Soil Survey Brochure (pdf 3.1M)

Soil Survey Manual - 1993

Soil Taxonomy - 2nd Edition

National Soil Survey Handbook, September 2007

Soil Taxonomy Keys - 10th Edition, 2006

Field Book for Describing and Sampling Soils Version 2.0, 2002

Soil Survey Laboratory Methods Manual SSIR #42 Version 4.0

Rationale for Concepts in Soil Taxonomy

National Forestry Handbook, February 2004

Soil Survey Laboratory Information Manual SSIR #45

Soil Survey Photography Principles and Techniques

Field Indicators of Hydric Soils in the U.S.

National Forestry Manual, September 1998

Soil Survey Technical Notes

Land Resource Regions and MLRAs of the U.S., Caribbean, and Pacific Basin, 2006