Found 567 datasets matching "7.5 minute".
-
This data set portrays an index to the U.S Geological Survey (USGS) 7.5 minute topographic quadrangle maps that cover Idaho. The data set was created by selecting and projecting features that...
Search relevance: 193.16 | Views last month: 3 -
The state of Tennessee is divided into 805 individual 7.5-minute topographic quadrangle maps. The Tennessee Department of Environment and Conservation (TDEC) maintains an archive of paper maps...
Search relevance: 122.06 | Views last month: 0 -
The state of Tennessee is divided into 805 individual 7.5-minute topographic quadrangle maps. The Tennessee Department of Environment and Conservation (TDEC) maintains an archive of paper maps...
Search relevance: 119.71 | Views last month: 2 -
The Pagosa Springs geologic map is of the 7.5-minute quadrangle of the same name. It is located in southwestern Colorado, USA and shows the town of Pagosa Springs. The mapped area is southwest of...
Search relevance: 116.63 | Views last month: 0 -
The Edwards and Trinity aquifers are major sources of water in south-central Texas and are both classified as major aquifers by the State of Texas. The population in Hays and Comal Counties is...
Search relevance: 101.65 | Views last month: 0 -
These data are part of a larger USGS project to develop an updated geospatial database of mines, mineral deposits and mineral regions in the United States. Mine and prospect-related symbols, such...
Search relevance: 99.80 | Views last month: 2 -
This is a dataset download, not a document. The Open button will start the download.This data represents the map extent for current and historical USGS topographic maps for the United States and...
Search relevance: 98.90 | Views last month: 0 -
Maps at a scale of 1:24,000 are used to identify surficial geologic materials and resources, to identify and evaluate physical hazards, and to evaluate groundwater resources. Digital data from...
Search relevance: 89.53 | Views last month: 0 -
Version 10.0 of these data are part of a larger U.S. Geological Survey (USGS) project to develop an updated geospatial database of mines, mineral deposits, and mineral regions in the United...
Search relevance: 89.29 | Views last month: 0 -
The USGS Digital Elevation Model (DEM) data files are digital representations of cartographic information in a raster form. DEMs consist of a sampled array of elevations for a number of ground...
Search relevance: 64.47 | Views last month: 0 -
Digital Elevation Models (DEMs) are digital records of terrain elevations at regularly spaced intervals. The interval between elevations of 7.5 minute DEMs is 30-meters. Each DEM file covers the...
Search relevance: 59.27 | Views last month: 0 -
Bathymetry for Baffin Bay was derived from two surveys containing 14,924 soundings. No surveys were omitted and no points were deleted. The average separation between soundings was 129 meters....
Search relevance: 59.25 | Views last month: 0 -
Digital Elevation Models (DEMs) are digital records of terrain elevations at regularly spaced intervals. The interval between elevations of 7.5 minute DEMs is 30-meters. Each DEM file covers the...
Search relevance: 59.18 | Views last month: 3 -
Bathymetry for the Altamaha River was derived from three surveys containing 16,511 soundings. One less accurate, overlapping survey was deleted before tinning the data. The average separation...
Search relevance: 58.42 | Views last month: 0 -
Bathymetry for Muscongus Bay was derived from nine surveys containing 109,649 soundings. No surveys were omitted. The average separation between soundings was 43 meters. Of the nine surveys used,...
Search relevance: 58.42 | Views last month: 0 -
Bathymetry for Yaquina Bay was derived from two surveys containing 9,279 soundings. Two older, less accurate, overlapping surveys were removed before tinning. The average separation between...
Search relevance: 58.42 | Views last month: 0 -
Bathymetry for Apalachicola Bay was derived from eleven surveys containing 92,624 soundings. No surveys were omitted. The average separation between soundings was 80 meters. One survey dated from...
Search relevance: 58.42 | Views last month: 0 -
Bathymetry for San Antonio Bay was derived from five surveys containing 32,829 soundings. Two older, overlapping, less accurate surveys were deleted before tinning. The average separation between...
Search relevance: 58.42 | Views last month: 0 -
Bathymetry for the Hudson River was derived from twenty surveys containing 120,771 soundings. No surveys were omitted. The average separation between soundings was 51 meters. The surveys dated...
Search relevance: 58.42 | Views last month: 0 -
Bathymetry for Atchafalaya Bay was derived from eleven surveys containing 127,192 soundings. No surveys were omitted. The average separation between soundings was 130 meters. The surveys dated...
Search relevance: 58.29 | Views last month: 0
