Abstract Textbooks, 1937-1947, published by the Michigan College of Mining and Technology (now Michigan Technological University) in Houghton, Michigan. Owned by student Paul Frair, the textbooks include "Mine Surveying Notes" by F. W. Sperr, revised by Roland D. Parks; "A Laboratory Manual for Introductory Geology" by A. N. MacIntosh and R. M. Denning; and "An Introduction to the Interpretation of Geologic Maps and Structures, Part II" by A. N. MacIntosh. Includes some marginalia and completed...