GIS Data
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March 3, 2017—Lava Inundation Zones Identified for Mauna Loa March 3, 2017—Lava Inundation Zones Identified for Mauna Loa
Inundation zones shown on map sheets as numbered colored boxes.
October 26, 2017—USGS maps identify lava inundation zones for Mauna Loa October 26, 2017—USGS maps identify lava inundation zones for Mauna Loa
Close up of Sheet 2 of "Lava inundation zone maps for Mauna Loa, Island of Hawai‘i," recently published by the U.S. Geological Survey. Colors depict lava Inundation zones for the Kaumana, Waiākea, and Volcano-Mountain View regions on Mauna Loa.
Surficial materials of Massachusetts—A 1:24,000-scale geologic map database Surficial materials of Massachusetts—A 1:24,000-scale geologic map database
The surficial materials geologic map database defines the distribution of nonlithified earth materials at the land surface in the 189 7.5-minute, 1:24,000-scale quadrangles that cover the Commonwealth of Massachusetts (index map). Across the State, these materials range in thickness from a few feet to more than 500 feet (ft). In some places, surficial materials are absent where bedrock...
Streamflow distribution maps for the Cannon River drainage basin, southeast Minnesota, and the St. Louis River drainage basin, northeast Minnesota Streamflow distribution maps for the Cannon River drainage basin, southeast Minnesota, and the St. Louis River drainage basin, northeast Minnesota
Streamflow distribution maps for the Cannon River and St. Louis River drainage basins were developed by the U.S. Geological Survey, in cooperation with the Legislative-Citizen Commission on Minnesota Resources, to illustrate relative and cumulative streamflow distributions. The Cannon River was selected to provide baseline data to assess the effects of potential surficial sand mining...
Surficial geologic map of Berrien County, Michigan, and the adjacent offshore area of Lake Michigan Surficial geologic map of Berrien County, Michigan, and the adjacent offshore area of Lake Michigan
The surficial geologic map of Berrien County, southwestern Michigan (sheet 1), shows the distribution of glacial and postglacial deposits at the land surface and in the adjacent offshore area of Lake Michigan. The geologic map differentiates surficial materials of Quaternary age on the basis of their lithologic characteristics, stratigraphic relationships, and age. Drill-hole information
Map of Flow Field Map of Flow Field
This map shows recent changes to Kīlauea’s East Rift Zone lava flow field.