Maps and atlases
Representation, usually on a flat surface, of a part or whole of the Earth or other parts of the universe. Collections of maps linked digitally or bound together in a book are called atlases.
Long Island Sound sidescan sonar mosaics [ More info] Sidescan sonar image, surficial geologic interpretation, and bathymetry of the Long Island Sound sea floor.
Louisiana coastal land loss [ More info] Homepage for Louisiana coastal land loss, including links to press release, animation of wetland loss, and PDF digital images of land change maps.
Louisiana continental slope [ More info] Louisiana continental slope interactive map with GIS datasets and sonar imagery.
Magnetic and gravity anomaly maps of West Virginia [ More info] Colored map in two parts and text in PDF files requiring Adobe Acrobat Reader 3.0 to view.
Major aquifers in New Jersey [ More info] Geologic description of the principal coastal and non-coastal aquifers in New Jersey and relationship to water quality and water supply.
Major drainage basins in Massachusetts and Rhode Island [ More info] Location and geology of drainage basins in Massachusetts and Rhode Island.
Map accuracy standards [ More info] Information on national map accuracy standards and how the USGS maintains accuracy.
Map and database of Quaternary faults and folds in Colombia and its offshore regions [ More info] PDF file of map of Quaternary faults and folds in Columbia prepared as part of the World Map of Major Active Faults with locations, ages, and activity rates of major earthquake-related features accompanied by database of description and activity.
Map of assessed tight-gas resources in the United States [ More info] Shows where there are potential commercial sources of natural gas trapped in formations with very low permeability to gas (not necessarily shale units). Hydraulic fracturing might be needed in order to exploit these resources.
Map showing geology, oil and gas fields and geologic provinces of Africa, ver. 2.0 [ More info] Digitally compiled interactive maps with links to metadata, descriptions of map units, and data files.
Alphabetical Index of Topics
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