Bouguer gravity anomaly map of Lake Superior /

Bibliographic Details
Main Author:	Wold, Richard J. (Richard John), 1937-
Other Authors:	Berkson, Jonathan M.
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : Interior--Geological Survey ; [1977]
Series:	Miscellaneous field studies (Geological Survey (U.S.)) ; map MF-884.
Subjects:	Gravity anomalies > Superior, Lake > Maps. Superior, Lake > Maps.

Description
Item Description:	"Base from U.S. Lake Survey chart number 9, polyconic projection." "Anomalies mapped by R.J. Wold and J.M. Berkson, 1965-67." Cartographic material.
Physical Description:	1 map ; 67 x 122 cm. folded in envelope 24 x 31 cm.
Bibliography:	Includes insets, text, and bibliography.