Simple Bouguer gravity map of Minnesota and northwestern Wisconsin
by Campbell Craddock, Harold M. Mooney, and Victoria Kolehmainen
(Miscellaneous map series / Minnesota Geological Survey, Map M-10)
Geological Survey, University of Minnesota, 1970
地図資料(地図)
Scale 1:1,000,000
Accompanying text has subtitle: A discussion to accompany Miscellaneous map series map M-10
Bibliographical references in accompanying text (p. 12-14)
Includes note and "sources of gravity observations"
Minnesota Geological Survey
Minnesota Geological Survey, University of Minnesota
地図資料 (地図)