Title on envelope: Ground water in the Fort Union Formation in the Wolf Point 1⁰ x 2⁰ quadrangle, northeastern Montana and adjacent North Dakota. Relief shown by contours and spot heights. "Contour interval 100 feet" "Topographic base form U.S. Geological Survey Wolf Point 1⁰ x 2⁰ quadrangle, revised, 1975." Includes location map. Includes "sources of information."
Series:
Montana atlas series ; MA 5-E
OCLC:
(OCoLC)30011638
Locations:
OVUX522 -- University of Iowa Libraries (Iowa City)
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.