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Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from U.S. National Parks, Protected Places, and other federal lands collected as part of...
Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: May 05, 2026 at 09:03 PM -
National Park Service Unit tract polygons
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Comma-separated values (.csv) files containing data related to a National-scale assessment of mercury bioaccumulation in the US National Parks using dragonfly larvae as biosentinels through a...
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Field data for a spatial water quality map, using Yellow Spring Instruments (YSI) EXO2 sondes over a span of 160 minutes in Rodeo Lagoon, CA, on August 16th, 2016. This data release includes all...
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National Park Service Unit Centroid Points.
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These data were converted from the originally delivered Microsoft Access PLOTs database from the Vegetation Mapping Inventory Project of Point Reyes National Seashore, Golden Gate National...
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The Digital Geologic Map of the San Francisco North Quadrangle and part the Point Bonita Quadrangle, California is composed of GIS data layers complete with ArcMap 9.3 layer (.LYR) files, two...
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The Digital Geologic Map of San Francisco and parts of Oakland, California is composed of GIS data layers complete with ArcMap 9.3 layer (.LYR) files, two ancillary GIS tables, a Map PDF document...
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Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
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These data represent incidental observations of western pond turtles (Emys [Actinemys] marmorata) collected by the U.S. Geological Survey, Western Ecological Research Center, at Point Reyes...
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Within the order Carnivora, the Pinnipedia sub-order is a group of marine mammals that includes sea lions, fur seals, true seals, and walruses. Pinnipeds are keystone species who serve as...
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These ESRI feature class files are of National Park Service tract and boundary data that was created by the Land Resources Division. Tracts are numbered and created by the regional cartographic...
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Pinnipeds come under the legal mandates of the Endangered Species Act and Marine Mammal Protection Act. They are also specifically identified in the enabling legislation of and management...
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The Digital Geologic Map of the Marin Headlands and Point Reyes Areas, California is composed of GIS data layers complete with ArcMap 9.3 layer (.LYR) files, two ancillary GIS tables, a Map PDF...
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The Digital Geologic Map of Golden Gate National Recreation Area and Vicinity, California is composed of GIS data layers complete with ArcMap 9.3 layer (.LYR) files, two ancillary GIS tables, a...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: March 04, 2026 at 06:55 AM -
National Park Service unit boundaries.
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A rockfall occurred between the night of January 5 and the morning of January 6, 2025 on the Point Bonita Trail in the National Park Service Golden Gate National Recreation Area, California. The...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 07:38 PM
