McGregor, Duncan Junior, 1921-

VIAF ID: 19315575 (Personal)

Title	Sources
Cement raw materials in Indiana.
Common rocks, minerals, and fossils found in Indiana, 1954:
Geothermal potentials in South Dakota
Gypsum and anhydrite deposits in southwestern Indiana.
Mining laws of South Dakota

Record ID	Action	Time
LC\|no 99058396	add	2009-03-03T12:03:43+00:00
ISNI\|0000000052555914	add	2013-09-16T16:15:07+00:00