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Basemaps Menu - OpenEnviroMap (OEM) - Help Pages

The Basemaps Menu displays the different background reference layers you can apply to your map. Only one may be selected at a time, and you can not select items on it with the identify tool.

Imagery

This layer presents satellite imagery for the world and high-resolution imagery for the United States and other areas around the world.

Streets

This layer presents highway-level data for the world and street-level data for North America, Europe, Africa, parts of the Middle East, Asia, and more.

Topographic

This world topographic map includes boundaries, cities, water features, physiographic features, parks, landmarks, transportation, and buildings.

Dark Gray Canvas

This layer draws attention to your thematic content by providing a neutral background with minimal colors, labels, and features.

Light Gray Canvas

This layer draws attention to your thematic content by providing a neutral background with minimal colors, labels, and features.

National Geographic

This map is designed to be used as a general reference map for informational and educational purposes as well as a basemap by GIS professionals and other users for creating web maps and web mapping applications.

Terrain

This layer features shaded relief imagery, bathymetry, and coastal water features designed to provide a neutral background for other data layers.

Oceans

This layer is designed to be used as a basemap by marine GIS professionals and as a reference map by anyone interested in ocean data.

OpenStreetMap

OpenStreetMap is a map of the world, created by people like you and free to use under an open license.

USA Topo Maps

This layer presents detailed USGS topographic maps for the United States at multiple scales.

USGS National Map

As one of the cornerstones of the U.S. Geological Survey's (USGS) National Geospatial Program, The National Map is a collaborative effort among the USGS and other Federal, State, and local partners to improve and deliver topographic information for the Nation.

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