Philip Krieger

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(1900 - 1940)
http://www.minsocam.org/ammin/AM26/AM26_178.pdf
DOI: 10.2113/gsecongeo.27.4.344 The study on which the present work is based has been carried on under the direction of Dr. Charles P. Berkey, Professor of Geology, Columbia University, to whom sincere appreciation is extended for his friendly advice and criticism, and the benefit of his wide experience in problems of this type. While the field work was being carried on a visit to the property by Dr. Paul F. Kerr aided materially in the interpretation of the field evidence. Thanks are also due for helpful guidance in the preparation of the manuscript. The author is indebted to Professors Roy J. Colony and William M. Agar for their valuable aid in the petrographic study and interpretation.
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