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Tidal Wetlands 1990s
In 1995 it was recognized that current Connecticut tidal wetland boundary information was critical to ensure the appropriate management and protection of the tidal wetlands... -
Healthy Forest Restoration Act Activities (Feature Layer)
This feature class contains data that depicts National Forest System (NFS) Lands designated under section 602 and 603 of the Healthy Forest Restoration Act. Designated areas... -
Unpublished Digital Geologic-GIS Map of the Ruin Point Quadrangle, Utah and C...
The Unpublished Digital Geologic-GIS Map of the Ruin Point Quadrangle, Utah and Colorado is composed of GIS data layers and GIS tables in a 10.1 file geodatabase... -
Suction Dredge Special Regulations - 2020 [ds788]
This dataset was created as published December 8, 2020, as an aid to CDFW, the State Water Resources Control Board, and the public following the enactment of Senate Bill 637 in... -
Liquefaction Zones ECA
A polygon feature class that shows liquefaction zones. Used to implement and regulate the City of Seattle's Environmentally Critical Areas policies. This layer was created in... -
Critical Habitats
See full Data Guide here. Connecticut Critical Habitats is a polygon feature-based layer with a resolution of +/- 10 meters that represents significant natural community types... -
Underdrain and Rain Garden
Underdrain piping systems are provided to prevent prolonged ponding of stormwater or to collect and convey water to another facility. Rain gardens are less engineered systems... -
Unpublished Digital Geologic-GIS Map of the Wickiup Canyon Quadrangle, Utah a...
The Unpublished Digital Geologic-GIS Map of the Wickiup Canyon Quadrangle, Utah and Colorado is composed of GIS data layers and GIS tables in a 10.1 file geodatabase... -
Vegetation - Delta Vegetation and Land Use Update - 2016 [ds2855]
Vegetation and land use are mapped for the 737,621 acres constituting the Legal Delta portion of the Sacramento and San Joaquin River Delta area. Vegetation mapping is to... -
Fish Passage Priorities - CDFW - 2019 [ds2868]
Man-made barriers to salmonid migration include road /stream crossings, irrigation diversions and dams. Road /stream crossings are extremely numerous and often cross multiple... -
Southern Mountain Yellow-Legged Frog (North CA DPS) Range - CWHR A044A [ds2848]
Vector datasets of CWHR range maps are one component of California Wildlife Habitat Relationships (CWHR), a comprehensive information system and predictive model for Californias... -
Vegetation - Pismo State Beach and Oceano Dunes SVRA [ds2944]
Vegetation types in the study area are classified as vegetation alliances defined by their dominant or co-dominant species, following the classification system in A Manual of... -
CGS Map Sheet 48: Earthquake Shaking Potential for California (revised 2016)
The California Geological Survey published maps of “Earthquake Shaking Potential for California” in 1999 and has revised the maps following each update of the National Seismic... -
Peat Settlement-Prone Areas
Peat settlement-prone areas. Peat settlement-prone areas consist of Category I and Category II peat settlement-prone areas that are delineated on Maps A1... -
Gregarius Slender Salamander Range - CWHR A064 [ds2851]
Vector datasets of CWHR range maps are one component of California Wildlife Habitat Relationships (CWHR), a comprehensive information system and predictive model for Californias... -
CGS Map Sheet 48: Shear-wave Velocity in Upper 30m of Surficial Geology (Vs30)
This dataset represents simplified geologic units that have been correlated to the time-averaged seismic shear-wave velocity in the upper 30 meters of the earth’s surface... -
Santa Cruz Long-Toed Salamander Range - CWHR A003A [ds2843]
Vector datasets of CWHR range maps are one component of California Wildlife Habitat Relationships (CWHR), a comprehensive information system and predictive model for Californias... -
TSM Transect Survey - 2016 [ds2833]
Visual Encounter Transect Surveys of reptiles, birds, and other vertebrate wildlife taxa were conducted at study sites in the Great Valley and Mojave Desert in 2016. A total of... -
California Lakes
NOTE: In 2013, the California Department of Fish and Game (CDFG, DFG) was renamed to California Department of Fish and Widlife (CDFW). This dataset is an update of California... -
TSM Point Count Survey [ds2829]
Avian point count surveys were conducted at 184 Great Valley study sites, and 107 Mojave Desert sites, between March and June 2017. Whenever possible, three independent point...