Results: 1 - 2 of 2
Dec 31, 1997
Open File Report
… Lithologies represented include: shale (36); siltstone (12); … permeability contrasts such as shale beds; reductants including …
Jan 08, 1973
Open File Report
… building stone, quartzite, and shale - potentially the base for a … to 1956, plus some quarrying of shale and limestone. By far the …