GIS Data
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Geologic map of the Santa Ana Pueblo quadrangle, Sandoval County, New Mexico Geologic map of the Santa Ana Pueblo quadrangle, Sandoval County, New Mexico
The Santa Ana Pueblo quadrangle is located in the northern part of the Albuquerque basin, which is the largest basin or graben within the Rio Grande rift. The quadrangle is underlain by poorly consolidated sedimentary rocks of the Santa Fe Group and is dominated by Santa Ana Mesa, a volcanic tableland underlain by basalt flows of the San Felipe volcanic field. The San Felipe
Geologic Map of the Scott City 7.5-Minute Quadrangle, Scott and Cape Girardeau Counties, Missouri Geologic Map of the Scott City 7.5-Minute Quadrangle, Scott and Cape Girardeau Counties, Missouri
The Scott City quadrangle is located at the northern end of the Mississippi embayment (fig. 1). The quadrangle contains parts of three physiographic features: the abandoned channel of the ancestral Mississippi River, the Benton Hills, and the flood plain of the ancestral Ohio River and modern Mississippi River. These features are largely the manifestation of the Quaternary evolution of...
Geology and land use in the western part of the Gulf Coast coal-bearing region Geology and land use in the western part of the Gulf Coast coal-bearing region
This map series is a compilation of the outcrop geology in the U.S. Gulf Coast coal region. The maps show the regional geologic setting for primary coal occurrences and detailed geology and historic mining areas. The CD contains ESRI ArcView SHP files of cities, urban areas, historical mines (points and polygons), counties, current mines, 1:100,000 quadrangle outlines of the study area...
Geology of the Stegall Mountain 7.5-minute quadrangle, Shannon and Carter Counties, south-central Missouri Geology of the Stegall Mountain 7.5-minute quadrangle, Shannon and Carter Counties, south-central Missouri
The bedrock exposed in the Stegall Mountain Quadrangle, Missouri, comprises Mesoproterozoic aged volcanic rocks overlain by Late Cambrian and Early Ordovician aged dolomite, sandstone, and chert. The sedimentary rocks are nearly flat-lying except where they drape around knobs of the volcanic rocks or where they are adjacent to faults. The carbonates are karstified and the area contains
Map showing lava inundation zones for Mauna Loa, Hawai'i Map showing lava inundation zones for Mauna Loa, Hawai'i
The Island of Hawai‘i is composed of five coalesced basaltic volcanoes. Lava flows constitute the greatest volcanic hazard from these volcanoes. This report is concerned with lava flow hazards on Mauna Loa, the largest of the island shield volcanoes. Hilo lies 58 km from the summit of Mauna Loa, the Kona coast 33 km, and the southernmost point of the island 61 km. Hawaiian volcanoes...