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336 datasets

National Highway System

Published by: Caltrans
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The National Highway System consists of a network of roads important to the economy, defense and mobility. On October 1, 2012 the existing National Hi...

National Hydrography Dataset (NHD) Archive

Published by: California Department of Water Resources
Last updated: Friday, April 3, 2026
File types: ZIP, TXT, FILE GEODATABASE

This page is meant to act as an archival repository for previous versions of the statewide National Hydrography Dataset (NHD) which includes the Water...

Vegetation - Lassen Volcanic National Park [ds2959]

Published by: California Department of Fish and Wildlife
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Director of the NPS approved the Natural Resource Challenge in 1999 to encourage national parks to focus on the preservation of the nation’s natur...

Vegetation - Mojave Desert National Preserve [ds3128]

Published by: California Department of Fish and Wildlife
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This study presents a comprehensive vegetation mapping inventory project undertaken in Mojave National Preserve (MOJA) and Castle Mountains National M...

Aspen Delineation - Inyo National Forest [ds366]

Published by: California Department of Fish and Wildlife
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The database represents delineations of known aspen stands where aspen assessments were collected in the Inyo National Forest, Inyo County, California...

National Hydrography Data - NHD and 3DHP

Published by: California Department of Water Resources
Last updated: Friday, April 3, 2026
File types: PDF, ZIP, WEBSITE, ARCGIS GEOSERVICES REST API, CSV, WEB VIDEOS

The USGS National Hydrography Dataset (NHD) downloadable data collection from The National Map (TNM) is a comprehensive set of digital spatial data th...

Aspen Characteristics - Sequoia National Forest [ds377]

Published by: California Department of Fish and Wildlife
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The database represents point locations and associated stand assessment data collected within aspen stands in the Cannell Meadows Ranger District, Seq...

Aspen Delineation - Sequoia National Forest [ds378]

Published by: California Department of Fish and Wildlife
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The database represents delineations of aspen stands associated with stand assessment data (SEQUOIA_NF_PTS) collected in aspen stands in the Cannell M...

Aspen Delineation - Klamath National Forest [ds370]

Published by: California Department of Fish and Wildlife
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The database represents polygons of aspen stands in the Klamath National Forest, Siskiyou County, California. The Klamath National Forest Region 5 Veg...

Aspen Characteristics - Inyo National Forest [ds365]

Published by: California Department of Fish and Wildlife
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The database represents point locations and associated stand assessment data collected within known aspen stands in the Inyo National Forest, Inyo Cou...