Geological Map Of Usa

These new digital us topo maps replace decades old 1 63 360 scale usgs maps.

Geological map of usa. United states geological survey. Geologic maps of us states digital geologic maps of the us states with consistent lithology age gis database structure and format data for the district of columbia is included with maryland. Since the 1800s the usgs and its partners the state geological surveys have been producing high quality standardized geologic maps of the nation. Important mountainous areas are the sierra madre in guatemala and mexico the mapa mountains in belize and guatemala the montanas de comapagua of honduras the cordillera isabelia of nicaragua the cordillera talamanca of costa rica and panama and the cordillera central in panama.

Skip to main content. Size overall length 11 1 2 x 10. How do i find download or order topographic maps. Separate geologic maps are available for alaska hawaii and puerto rico.

The mapview section of the ngmdb displays geologic maps from across the country dating back to 1879. Geological survey usgs has been the primary civilian mapping agency of the united states since 1879. Size overall length 11 1 2 x 10. These updated and enhanced maps display the landscape in much greater detail than the earlier maps.

Geologic maps of the 50 united states created by andrew alden from the u s. Check out the national geologic map database ngmdb which is the national archive of these maps and related geoscience reports. This open file report presents the results of the usgs mineral resources program activity to compile a national scale geologic map database to support national and regional level. Geological survey and state geological surveys.

New elevation data acquired prior to map production is used to create enhanced contours and shaded relief backdrops for the maps. Each province has its own geologic history and unique features. There are twelve main geological provinces in the united states. The map above reveals the physical landscape of central america.

This interactive tool serves as a national archive for high quality standardized geologic maps created by the u s. Alabama rises from the coastline its gently dipping rock layers exposing deeper and older formations in majestic order as one moves north. Physical map of central america. Geological survey hosts the national geologic map database ngmdb.

Pacific columbia plateau basin and range colorado plateau rocky mountains laurentian upland interior plains interior highlands appalachian highlands atlantic plain alaskan and hawaiian. Map has been folded in up for years very clean print once framed this map will be an excellent example of a map that is 132 years old. The best known usgs maps are the 1 24 000 scale topographic maps also known as 7 5 minute quadrangles.