Biblioteca - Ingemmet

Vista normal Vista MARC Vista ISBD

Puglio, D.G.

Geology, mining, and methane content of the freeport and Kittanning coalbeds in Indiana and sorrounding Counties, PA - Washington, D.C. U.S. Bureau of Mines 1979 - 35 p. tbls., diagrs., mapas - Edición especial .

Subjects--Topical Terms:
CARBON
GEOLOGIA
MINERIA

Subjects--Geographic Terms:
ESTADOS UNIDOS
PENNSYLVANIA