GIS Data
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Geologic map of the Alley Spring quadrangle, Shannon County, Missouri Geologic map of the Alley Spring quadrangle, Shannon County, Missouri
The Alley Spring 7.5-minute quadrangle is located in south-central Missouri within the Salem Plateau region of the Ozark Plateaus physiographic province. About 1,990 feet (ft) of flat-lying to gently dipping Lower Paleozoic sedimentary rocks, mostly dolomite, chert, sandstone, and orthoquartzite, overlie Mesoproterozoic volcanic rocks. A small exposure of the volcanic rocks exists near...
Episode 61 (Peace Day) flow field Episode 61 (Peace Day) flow field
Map showing the extent of lava flows erupted during Kīlauea’s ongoing east rift zone eruption and labeled with the years in which they were active.
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Flood-inundation maps for Sweetwater Creek from above the confluence of Powder Springs Creek to the Interstate 20 bridge, Cobb and Douglas Counties, Georgia Flood-inundation maps for Sweetwater Creek from above the confluence of Powder Springs Creek to the Interstate 20 bridge, Cobb and Douglas Counties, Georgia
Digital flood-inundation maps for a 10.5-mile reach of Sweetwater Creek, from about 1,800 feet above the confluence of Powder Springs Creek to about 160 feet below the Interstate 20 bridge, were developed by the U.S. Geological Survey (USGS) in cooperation with Cobb County, Georgia. The inundation maps, which can be accessed through the USGS Flood Inundation Mapping Science Web site at...
Flood-inundation maps for the Driftwood River and Sugar Creek near Edinburgh, Indiana Flood-inundation maps for the Driftwood River and Sugar Creek near Edinburgh, Indiana
Digital flood-inundation maps for an 11.2 mile reach of the Driftwood River and a 5.2 mile reach of Sugar Creek, both near Edinburgh, Indiana, were created by the U.S. Geological Survey (USGS) in cooperation with the Camp Atterbury Joint Maneuver Training Center, Edinburgh, Indiana. The inundation maps, which can be accessed through the USGS Flood Inundation Mapping Science Web site at...
Flood-inundation maps for the West Branch Delaware River, Delhi, New York, 2012 Flood-inundation maps for the West Branch Delaware River, Delhi, New York, 2012
Digital flood-inundation maps for a 5-mile reach of the West Branch Delaware River through the Village and part of the Town of Delhi, New York, were created by the U.S. Geological Survey (USGS) in cooperation with the Village of Delhi, the Delaware County Soil and Water Conservation District, and the Delaware County Planning Department. The inundation maps, which can be accessed through...
Flood-Inundation Maps for a 1.6-Mile Reach of Salt Creek, Wood Dale, Illinois Flood-Inundation Maps for a 1.6-Mile Reach of Salt Creek, Wood Dale, Illinois
Digital flood-inundation maps for a 1.6-mile reach of Salt Creek from upstream of the Chicago, Milwaukee, St. Paul & Pacific Railroad to Elizabeth Drive, Wood Dale, Illinois, were created by the U.S. Geological Survey (USGS) in cooperation with the DuPage County Stormwater Management Division. The inundation maps, which can be accessed through the USGS Flood Inundation Mapping Science...