Economic aspects of surface subsidence resulting from underground mineral exploitation
Subtitle: a thesis in mineral economics
By: by J. Zwartendyk.
Contributors: Zwartendyk, Jan, 1929-
Publisher: Dept. of Mineral Resources, Graduate School, Pennsylvania State University
Published: 1971
Place of publication: [Pennsylvania]
Language: eng
Number of pages: 411
Subjects: Subsidences (Earth movements) -- Economic aspects.
Notes: Photocopy. Ann Arbor, MI : University Microfilms International, 1988.

Thesis (Ph.D.) - Pennsylvania State University.

Bibliogr.

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