Date of Award
1966
Document Type
Dissertation
Degree Name
Doctor of Philosophy (PhD)
Department
Geology
First Advisor
W.M. Laird
Recommended Citation
Sigsby, Robert J., ""Scoria" of North Dakota" (1966). Theses and Dissertations. 277.
https://commons.und.edu/theses/277
Sigsby Plates 1966.zip (437409 kB)