Title on envelope: Ground water in pre-Bearpaw Shale Aquifers 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."
Series:
Montana atlas series ; MA 5-G
OCLC:
(OCoLC)32572446
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.