Map of Judith Basin, Montana Ter. /
Northern Transcontinental Survey.
Pumpelly, Raphael,1837-1923.
Wilson, A. D.
New York : J. Bien & Co., photo lith.,
1882.
"Preliminary sheet for the use of the parties in the field and subject to revision."
"Raphael Pumpelly, director."
Shows contours and drainage.
Wanting: Southern sheet.