"The geologic maps and geospatial data in this report show the distribution of bottom types, water depths, and sediment thickness over a large area of seafloor between Nahant to Gloucester, Massachusetts"--DVD-ROM insert.
Contains information about almost 2 million physical and cultural geographic features in the United States. The Federally recognized name of each feature described in the data base is identified, and references are made to a feature's location by state, county, and geographic coordinates.
Shows facsimile of Lewis and Clark exploration map and contemporary physical map of approximately the same geographic coverage. Relief shown by hachures on facsimile map. Relief shown by shading and gradient tints on contemporary physical map. "The original Lewis and Clark map has been digitally enhanced and prepared by the U.S. Geological Survey. Reproduced from the original held in the Library of Congress, Geography ...
Contributor:Lewis, Samuel - Clark, William - Harrison, Samuel - Geological Survey (U.S.)
Relief shown by contours. Includes index map showing boundaries of the geologic map area and of the Nevada test site, 4 colored cross sections, and 3 ancillary maps. Pamphlet includes bibliographical references (p. 39-44). "Interagency Agreement DE-AI08-97NV12033."
Contributor:Geological Survey (U.S.)
Catalog Record - Electronic Resource Available
"This report provides a synthesis compilation of published and unpublished sediment texture and other geologic data about the seafloor from diverse sources ... Examples of maps displaying attributes such as grain size and sediment color"--CD-ROM container insert.
System requirements: PC with CD-ROM reader and software, Internet browser. Title from disc label. Shipping list no.: 2007-0020-E. "Mastered: 5/07." In GIF and PDF formats. Includes all 50 states, the District of Columbia, Puerto Rico and the Virgin Islands. Also available via Internet from the National Atlas web site. Address as of 8/23/07: http://nationalatlas.gov/printable/congress.html; current access via PURL.
"The purpose of this GIS is to provide the basic data layers and tables required to support the petroleum assessment, data for further exploration and development, and index of known data"--CD-ROM insert.
Contains Mineral Resource Data System (MRDS) and Minerals Availability System/Minerals Industry Location System (MAS/MILS) databases. MRDS database features almost 200 data fields describing metallic and nonmetallic mineral resource, deposits, and commodities. MAS/MILS database includes almost 100 data fields describing mines and mineral processing plants.
Contains geographic information system files required to produce 1:24,000 geologic map of Harpers Ferry National Historic Park. These data files can be viewed as an ArcView project or an ArcExplorer project.