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Federal
Zircon U-Pb data for Proterozoic rocks in southwestern Colorado and rocks from drill core from Wyoming, Montana, and Nebraska
Department of the Interior —
This U.S. Geological Survey (USGS) data release provides U-Pb zircon data and geochronology for Proterozoic rocks in the Needle Mountains of southwestern Colorado and... -
State
MD iMAP: Maryland Waterbodies - Rivers and Streams (Detailed)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Line features of rivers and streams (detailed shape) in Maryland. Last... -
State
MD iMAP: Maryland Waterbodies - Rivers and Streams (Generalized)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The digital segmented network based on watershed boundaries - ERF1-2 -... -
State
MD iMAP: Maryland Waterbodies - Lakes (Generalized)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Polygon boundaries of lakes (generalized shape) in Maryland. Last Updated:... -
State
MD iMAP: Maryland Waterbodies - Lakes (Detailed)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Although the State of Maryland has no natural lakes - it has an abundance... -
Federal
ASAS = NASA's Advanced Solid-state Array Spectroradiometer: 1988 - 2000
Department of the Interior —
'The Advanced Solid-State Array Spectroradiometer (ASAS) data collection contains data collected by the ASAS sensor flown aboard NASA aircraft. A fundamental use of...