Evansville Vanderburgh Public Library

Coal mines and mining -- Pennsylvania -- Armstrong County -- Safety measures

Type

http://bibfra.me/vocab/lite/Concept

Label

Coal mines and mining -- Pennsylvania -- Armstrong County -- Safety measures

Name

Coal mines and mining

Focus

Coal mines and mining

Sub focus

Actions

Incoming Resources

Subject of
1
- Reducing hazards in underground coal mines through the recognition and delineation of coalbed discontinuities caused by ancient channel processes, by Carla A. Kertis

Outgoing Resources

Focus
1
- Coal mines and mining
Sub focus
3