-
Federal
Administrative Boundaries Centroids of National Park System Units NGDA
Department of the Interior —
National Park Service unit points. -
Federal
Shipping Fairways, Lanes, and Zones for US waters
National Oceanic and Atmospheric Administration, Department of Commerce —
Various shipping zones delineate activities and regulations for marine vessel traffic. Traffic lanes define specific traffic flow, while traffic separation zones... -
Federal
Digital Geologic-GIS Map of Olympic National Park and Vicinity, Washington (NPS, GRD, GRI, OLYM, OLYM digital map) adapted from Washington Division of Geology and Earth Resources Open File Report maps by Gerstel, Logan, Schasse and Lingley and other Washington Division of Geology and Earth Resources Staff (2000, 2003 and 2005)
Department of the Interior —
The Digital Geologic-GIS Map of Olympic National Park and Vicinity, Washington is composed of GIS data layers and GIS tables, and is available in the following GRI-... -
Federal
Maritime Limits and Boundaries of United States of America NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA is responsible for depicting on its nautical charts the limits of the 12 nautical mile Territorial Sea, 24 nautical mile Contiguous Zone, and 200 nautical mile... -
Federal
Navigable Waterway Network Lines NGDA
Federal Geographic Data Committee —
The Navigable Waterway Network Lines dataset is periodically updated by the United States Army Corp of Engineers (USACE) and is part of the U.S. Department of... -
Federal
BETA - Hazard Exposure: Principal Ports NGDA
Federal Geographic Data Committee —
The BETA - Hazard Exposure: Principal Ports dataset was updated on October 16, 2025 from the Bureau of Transportation Statistics (BTS) and is part of the U.S.... -
Emissions Inventory
District of Columbia —
NEI point sources include emissions estimates for larger sources that are located at a fixed, stationary location. Point sources in the NEI include large industrial... -
Federal
R-Factor for the Conterminous United States
National Oceanic and Atmospheric Administration, Department of Commerce —
The rainfall-runoff erosivity factor (R-Factor) quantifies the effects of raindrop impacts and reflects the amount and rate of runoff associated with the rain. The... -
Federal
Gray whale at-sea density off California
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Marine Sanctuary Program (NMSP) updates and revises the management plans for each of its 13 sanctuaries. This process, which is open to the public,...