http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geologic map of the Jefferson quadrangle, Park and Summit counties, Colorado
1 map : color ; 58 x 45 cm., on sheet 81 x 79 cm., folded in envelope 30 x 24 cm.
by Fred Barker and Donald G. Wyant ; Department of the Interior, United States Geological Survey.
Relief shown by contours and spot heights.
Includes col. cross-section, and location map.