2026-09-20T22:42:17Z https://www.ideals.illinois.edu/oai-pmh

oai:www.ideals.illinois.edu:2142/96078 2023-07-11 col_2142_5131 col_2142_14805 com_2142_5130 com_2142_13460 com_2142_13459 com_2142_8903

Van Winkle, Philip James 2017-05-18T15:22:22Z 2017-05-18T15:22:22Z 2019-05-19T09:15:37Z 1951 Made available in DSpace on 2017-05-18T15:22:22Z (GMT). No. of bitstreams: 2 6358090_opt.pdf: 4425372 bytes, checksum: b1085efc48841eab2e8b17f45e734256 (MD5) license.txt: 4813 bytes, checksum: 715c4321821a960fa1a1e91d2ac7ebce (MD5) Previous issue date: 1951 Embargo set by: Seth Robbins for item 99222 Lift date: 2019-05-18T15:22:37Z Reason: Author requested U of Illinois access only (OA after 2yrs) in Vireo ETD system U of I Only Restriction Lifted for Item 99222 on 2019-05-19T09:15:37Z. Thesis (M.A.)--University of Illinois at Urbana-Champaign, 1951. Includes bibliographical references. 6358090 667723705 http://hdl.handle.net/2142/96078 en Copyright 1951 Philip James Van Winkle Strip mining A reconnaissance of the strip mining industry of southern Illinois Dissertation / Thesis text Geography Thesis M.A. (master's)