TY - RPRT TI - Geology of anthracite in the western part of the Ashland quadrangle, Pennsylvania AU - Boyd R. Haley AU - Harold H. Arndt AU - Howard E. Rothrock AU - Holly C. Wagner PY - 1953 DO - 10.3133/coal13 UR - https://pubs.usgs.gov/publication/coal13 ID - coal13 ER -