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)

A study of mine roof of the Pittsburgh coal bed in the Pittsburgh mining district

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

Explosions in Pennsylvania coal mines, 1870-1932

A study of mine roof of the coking district of Western Pennsylvania

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

Studies of roof movement in coal mines.

Studies of roof movement in coal mines.

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

Design and testing of Bureau of Mines coal planer

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

Methane emission rate studies in a central Pennsylvania mine

Selected geologic factors affecting mining of the Pittsburgh coalbed

Methods of determining the orientations of bedrock fracture systems in southwestern Pennsylvania and northern West Virginia

Geology, mining, and methane content of the Freeport and Kittanning coalbeds in Indiana and surrounding counties, Pa.

Strata interactions in multiple-seam mining--two case studies in Pennsylvania

Effects of horizontal stress related to stream valleys on the stability of coal mine openings


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