Browse TRAIL Inventories

Safety achievements of a Pennsylvania bituminous-coal mine and of a coal-mine superintendent

Mining statutes of the state of Pennsylvania(summarized)

Factors and conditions that aid in alinement of pillar extraction lines in coal mining

Explosions in Pennsylvania coal mines, 1870-1932

Methods of development and pillar extraction in mining the Pittsburgh coal bed in Pennsylvania, West Virginia, and Ohio

Water problem in the Pennsylvania anthracite mining region

Backfilling problem in the anthracite region as it relates to conservation of anthracite and prevention of subsidence

Why men were killed at Pennsylvania anthracite mines in 1950

Modern automatic electrically controlled elevators for transporting men at two coal mines in Western Pennsylvania

Microfilming maps of abandoned anthracite mines :mines in the Lackawanna Basin, northern anthracite field

Mine subsidence--extent and cost of control in a selected area.

Microfilming maps of abandoned anthracite mines :mines in the Western middle anthracite field


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