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This rating indicates the percentage of map units that meets the criteria for hydric soils. Map units are composed of one or more map unit components or soil types, each of which is rated as...
Search relevance: 255.99 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:42 PM -
This data layer is a compilation of the MUPOLYGON feature class, muaggatt table and component table of the Gridded Soil Survey Geographic (gSSURGO) Database for Maryland. United States Department...
Search relevance: 219.09 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 06:49 PM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This data layer is a compilation of the MUPOLYGON feature class - muaggatt table and component table of...
Search relevance: 183.43 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:46 PM -
This digital data release consists of seven national data files of area- and depth-weighted averages of select soil attributes for every available county in the conterminous United States and...
Search relevance: 85.25 | Views last month: 2 | Catalog Last Checked: October 14, 2026 at 06:25 AM -
Historic wetland footprints produced by combining National Wetland Inventory (NWI, 2009 updated), NRCS hydric soils data, and contemporary field surveys. These historic footprints provide the...
Search relevance: 78.93 | Views last month: 0 | Catalog Last Checked: September 24, 2026 at 07:51 PM -
This EnviroAtlas dataset contains data on Agricultural Land Coverage on Hydric Soils for each Watershed Boundary Dataset (WBD) 12-Digit Hydrologic Unit Code (HUC-12) of the conterminous United...
Search relevance: 76.60 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 04:27 AM -
Historic wetland footprints produced by combining historic soil surveys, National Wetland Inventory (NWI), NRCS hydric soils data, and contemporary field surveys. The NWI data available at the...
Search relevance: 64.57 | Views last month: 0 | Catalog Last Checked: September 23, 2026 at 07:43 PM -
USSOILS is an Arc 7.0 coverage containing hydrology-relevant information for 10,498 map units covering the entire conterminous United States. The coverage was compiled from individual State...
Search relevance: 52.10 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 10:32 PM -
These datasets represent a revised national scale estimate of wetland soil carbon stock assessments by improving representation of soil organic carbon densities. This assessment is based on a...
Search relevance: 49.35 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:40 PM -
This EnviroAtlas dataset shows potentially restorable wetlands at 30 meter resolution. Beginning two centuries ago, many wetlands were turned into farm fields or urban areas, yet wetlands play an...
Search relevance: 47.97 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 04:32 AM -
This EnviroAtlas dataset shows the percent of each 12-digit Hydrologic Unit (HUC) subwatershed in the contiguous U.S. with potentially restorable wetlands. Beginning two centuries ago, many...
Search relevance: 46.40 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 04:27 AM -
Drainage class (natural)" refers to the frequency and duration of wet periods under conditions similar to those under which the soil formed. Alterations of the water regime by human activities,...
Search relevance: 42.22 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:41 PM -
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. These digital data files are records of salt marsh location and extent as defined by the U.S. Fish & Wildlife...
Search relevance: 41.96 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:49 PM -
This layer is extracted from The High Resolution National Hydrography Dataset Plus (NHDPlus HR). This is an integrated set of geospatial data layers, including the best available National...
Search relevance: 41.05 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:50 PM -
This layer is extracted from The High Resolution National Hydrography Dataset Plus (NHDPlus HR). This is an integrated set of geospatial data layers, including the best available National...
Search relevance: 41.05 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:50 PM -
This layer is a network of public ditches that cover large areas of the middle parts of the Delmarva. These ditches help drain 183,000 acres of land composed of crop land, forest land, roadways,...
Search relevance: 41.05 | Views last month: 2 | Catalog Last Checked: October 06, 2026 at 10:02 PM -
The State of Connecticut defines inland wetlands based on soils. The Connecticut Inland Wetlands and Watercourses Act defines wetland soils to include any of the soil types designated as poorly...
Search relevance: 37.75 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:40 PM -
Parent material name is a term for the general physical, chemical, and mineralogical composition of the unconsolidated material, mineral or organic, in which the soil forms. Mode of deposition...
Search relevance: 37.45 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:39 PM
