Author: International Correspondence Schools
Title: Geology of coal ; Examination of coal properties ; Drifts, slopes, and shafts ; Methods of working
Publisher: Scranton : International Textbook Company
Subject (keywords, tags): Coal; Coal mines and mining
Book digitized by Google from the library of University of Wisconsin - Madison and uploaded to the Internet Archive by user tpb.
Also published as volumes in the I.C.S. reference library of the International Correspondence Schools
Mode of access: Internet