List of Widco logs run by State Geological Survey
Subtitle: before March 1, 1964
By: compiled by Lynn S. Hedges.
Series: South Dakota. State Geological Survey. Circular; no. 32; Circular (South Dakota Geological Survey) ;; no. 32.
Publisher: Science Center, University of South Dakota
Published: 1964
Place of publication: Vermillion
Language: eng
Number of pages: 25
Subjects: Borings -- South Dakota.