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USDA Natural Resources Conservation Services: USDA NRCS soil data. Can interact with the dataset with Web Soil Survey online mapping tool. Libre Map Project: Online collection of all digital USGS 1:24K scale topographic maps (as well as various other GIS data) covering the United States, available as a free download. NPScape
The National Cooperative Soil Survey Program (NCSS) is a partnership led by the United States Department of Agriculture's Natural Resources Conservation Service of Federal land management agencies, state agricultural experiment stations, counties, conservation districts, and other special-purpose districts that provide soil survey information necessary for understanding, managing, conserving ...
Natural Resources Conservation Service (NRCS), formerly known as the Soil Conservation Service (SCS), is an agency of the United States Department of Agriculture (USDA) that provides technical assistance to farmers and other private landowners and managers. Its name was changed in 1994 during the presidency of Bill Clinton to reflect its ...
A Compendium of On-Line Soil Survey Information; NRCS Web Soil Survey Inventory of the soil resource across the U.S. NRCS Helping People Understand Soils; California Online Soil Survey; Soil Data Access; Texas Soil Surveys, hosted by the Portal to Texas History; Soil Maps of the world European Digital Archive on the Soil Maps of the world
English: This is the standard form that soil scientists in the United States complete when describing a soil profile or pedon. Information recorded on the form includes the soil location, landscape, site position, vegetation, and soil morphology including horizons, texture, color, structure, redox features, and more.
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They are young soils. They cover 1% of the world's ice-free surface. Aridisol – dry soils forming under desert conditions which have fewer than 90 consecutive days of moisture during the growing season and are nonleached. They include nearly 12% of soils on Earth. Soil formation is slow, and accumulated organic matter is scarce.
Such maps are typically richer in context and show higher spatial detail, yet are not necessarily more accurate than traditional soil maps. Soil maps produced using (geo)statistical technique can also include an estimate of the model uncertainty. [3] An example of a traditional soil map showing soil mapping units, described soil profiles and ...