Methods of development and pillar extraction in mining the Pittsburgh coal bed in Pennsylvania, West Virginia, and Ohio
Book Details
Author(s)James Washington. Paul
PublisherUniversity of Michigan Library
ISBN / ASINB003YXZG5Y
ISBN-13978B003YXZG54
AvailabilityUsually ships in 24 hours
MarketplaceUnited States 🇺🇸
