Anthracite mechanical-mining investigations: Use of yielding steel supports (props) in combination with backfilling for mining thick, flat beds
Book Details
Author(s)John C. Hartley
PublisherUniversity of Michigan Library
ISBN / ASINB003HKQUFE
ISBN-13978B003HKQUF9
AvailabilityUsually ships in 24 hours
Sales Rank9,308,394
MarketplaceUnited States 🇺🇸
