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This is collection of DWR County Land Use Surveys. You may scroll the list below to download any individual survey of interest. Historic County Land Use Surveys spanning 1986 - 2015 may also...
Search relevance: 205.42 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 06:14 PM -
This is collection of DWR Region Land Use Surveys. These include several county land use surveys, In addition, you may scroll the list below to download any individual survey of interest....
Search relevance: 95.40 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:18 PM -
This dataset is an aggregation of county-level tillage practices to the 8-digit hydrologic unit watershed. The original county-level data were collected by the Conservation Technology Information...
Search relevance: 47.16 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:49 PM -
This EnviroAtlas data set depicts estimates for mean cash rent paid for land by farmers, sorted by county for irrigated cropland, non-irrigated cropland, and pasture by for most of the...
Search relevance: 45.79 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 04:19 AM -
This dataset is an aggregation of county-level tillage practices to the 8-digit hydrologic unit watershed. The original county-level data were collected by the Conservation Technology Information...
Search relevance: 45.65 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:42 PM -
This data set contains annual county-level estimates of total atrazine use on 16 agricultural crops and four agricultural land uses between 1992 and 2007. For each year, atrazine use was...
Search relevance: 42.33 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:40 PM -
This application provides an easy way to calculate the area and type of Important Farmland in an area of interest.Important Farmland Maps are compiled by the Farmland Mapping and Monitoring...
Search relevance: 37.41 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 06:15 PM -
The National Water Quality Network (NWQN) for Rivers and Streams includes 113 surface-water river and stream sites monitored by the U.S. Geological Survey (USGS) National Water Quality Program...
Search relevance: 34.20 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:15 PM -
The National Water Quality Network (NWQN) for Rivers and Streams includes 113 surface-water river and stream sites monitored by the U.S. Geological Survey (USGS) National Water Quality Program...
Search relevance: 31.59 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:55 PM -
WRA, Inc (WRA) created a fine-scale vegetation map of portions of the Cojo-Jalama Ranches. WRA conducted field reconnaissance assistance for this project, as well as accuracy assessment (AA) field...
Search relevance: 28.31 | Views last month: 1 | Catalog Last Checked: October 24, 2026 at 08:48 PM -
The Tamalpais Lands Collaborative (One Tam; https://www.onetam.org/), the network of organizations that manage lands on Mount Tamalpais in Marin County, initiated the countywide mapping project...
Search relevance: 27.74 | Views last month: 3 | Catalog Last Checked: October 24, 2026 at 08:48 PM -
The USGS Governmental Unit Boundaries dataset from The National Map (TNM) represents major civil areas for the Nation, including States or Territories, counties (or equivalents),...
Search relevance: 21.82 | Views last month: 19 | Catalog Last Checked: September 10, 2026 at 09:21 PM -
The West Salt Creek rock avalanche (refer to Figure 1 for location, .pdf and .jpg files are provided) occurred on May 25, 2014, and filled the West Salt Creek valley with a hummocky deposit that...
Search relevance: 20.94 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:36 PM -
The Mendocino Pygmy Forest is one of the best-known examples of a rare natural community in California. The unique soil and climatic attributes and the resulting vegetation of the Mendocino...
Search relevance: 20.39 | Views last month: 2 | Catalog Last Checked: October 24, 2026 at 08:48 PM -
A digital map of the thickness of the surficial unconfined aquifer, including from the land surface and unsaturated zone to the bottom of sediments of geologic units identified as part of the...
Search relevance: 19.72 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 09:30 PM -
As part of an effort by the U.S. Geological Survey (USGS) to better understand topographic and structural conditions that promote slow spreading and sagging of mountain ridges (Varnes and others,...
Search relevance: 18.17 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 07:48 PM -
The California Department of Parks and Recreation contracted Geographical Information Center (GIC) to conduct vegetation sampling across multiple California State Vehicle Recreation Areas (SVRA)....
Search relevance: 17.98 | Views last month: 1 | Catalog Last Checked: July 28, 2025 at 05:40 PM -
Description for i03_DAU_county_cnty2018 is as follows:Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (*See metadata for CAL-FIRE cnty18_1), State of...
Search relevance: 17.77 | Views last month: 0 | Catalog Last Checked: July 28, 2025 at 07:10 PM -
Description for i03_DAU_county_cnty2018 is as follows:Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (*See metadata for CAL-FIRE cnty18_1), State of...
Search relevance: 17.70 | Views last month: 0 | Catalog Last Checked: July 28, 2025 at 07:13 PM -
Description for i03_DAU_county_cnty2018 is as follows:Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (*See metadata for CAL-FIRE cnty18_1), State of...
Search relevance: 16.15 | Views last month: 0 | Catalog Last Checked: July 28, 2025 at 07:11 PM
