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Overlays Data
Click on the turndown arrows to explore the data sets accessible through GeoMapApp's Overlays menu. Follow the links provided to learn more about each data set. Data at external repositories are denoted with the symbol. Select Expand All to see all data in the Overlays menu- Antarctic Ice Shelf Edge (NSIDC)
- Antarctic Surface Elevation Contours (NSIDC)
- Latitude-Longitude Graticules
- Coastlines
- Continents
- Drainage Systems
- Geographic Names
- Nighttime Lights - 2012
- Lakes and Rivers
- Major Rivers (1:10 million, Natural Earth)
- Smaller Rivers - Europe (1:10 million, Natural Earth)
- Smaller Rivers - North America (1:10 million, Natural Earth)
- Major Lakes and Reservoirs (1:10 million, Natural Earth)
- Smaller Lakes and Reservoirs - Europe (1:10 million, Natural Earth)
- Smaller Lakes and Reservoirs - North America (1:10 million, Natural Earth)
- Salt Pans and Intermittent Lakes (1:10 million, Natural Earth)
- Historic Lakes: Aral Sea, Chad, Texcoco (1:10 million, Natural Earth)
- Late Quaternary Pluvial Lakes - Western US (1:10 million, Natural Earth)
- Watersheds
- WRI Watersheds
- HydroSHEDS
- Drainage Basin Outlines
- Drainage Pathways
- Drainage Basin Outlines
- 30 arc-second Resolution
- 15 arc-second Resolution (Memory Intensive)
- Valley and Tributary Pathways
- 30 arc-second Resolution
- 15 arc-second Resolution (Memory Intensive)
- Ice Cores
- Latitude-Longitude Graticules
- Local Administrative Boundaries
- Africa
- Antarctica and Southern Ocean
- Asia
- Europe
- Australia and Oceania
- Caribbean
- Central America
- North America
- South America
- United States
- Maritime Boundaries
- World Maritime Boundaries
- Inner (coast) and Outer (200 n. mi) Limits of the Exclusive Economic Zone (shapefile)
- Inner (coast) and Outer (200 n. mi) Limits of the Exclusive Economic Zone)
- Outer Limits (200 n. mi) of the Exclusive Economic Zone (EEZ)
- Outer Limits (200 n. mi) of the Exclusive Economic Zone
- Approved Submissions to the UN Commission on the Limits of the Continental Shelf
- US Maritime Boundaries
- Alaska
- California
- Florida and Alabama
- Georgia
- Hawaiian Islands
- Hawaii
- Kauai
- Lanai
- Maui
- Molokai
- Oahu
- Howard and Baker Islands
- Jarvis Island
- Johnston Island
- Maine
- Mississippi and Louisiana
- New Hampshire and Massachusetts
- New Jersey, Delaware, and Maryland
- Northwestern Hawaiian Islands
- French Frigate
- Gardner
- Kaula
- Kure
- Laysan
- Lisianski
- Maro
- Necker
- Nihoa
- Niihau
- Pearl Hermes
- Oregon and Washington
- Puerto Rico and U.S. Virgin Islands
- Isla de Mona 3 Mile Limit
- Isla Desecheo 3 Mile Limit
- Puerto Rico 3 Mile Limit
- St. Croix 3 Mile Limit
- St. Thomas 3 Mile Limit
- Isla de Mona 12 Mile Limit
- Puerto Rico and U.S. Virgin Islands 12 Mile Limit
- St. Croix 12 Mile Limit
- Puerto Rico and U.S. Virgin Islands 24 Mile Limit
- Isla de Mona Natural Resources Boundary
- Puerto Rico Natural Resources Boundary
- Rhode Island and New York
- Texas
- Virginia, North Carolina, and South Carolina
- Wake Island
- World Maritime Boundaries
- Oceanographic Fronts
- Stations and Bases
- Sub-Glacial Lakes