Yazar
Peter F Steidl
3 cilt bulundu.
Cilt sonuçları
Geology, methane content, and reserves of the upper Freeport coalbed in Fayette County, Pa
Peter F Steidl · Dept. of the Interior, Bureau of Mines
17 sayfa · 1977
Coal / Fayette County / Geology / Pennsylvania / Mine gases
Foam stimulation to enhance production from degasification wells in the Pittsburgh coalbed
Peter F Steidl · Dept. of the Interior, Bureau of Mines
10 sayfa · 1978
Mine ventilation / Coal gasification / Gas manufacture and works / Methane
Geology and methane content of the upper Freeport coalbed in Fayette County, Pa
Peter F Steidl · Dept. of the Interior, Bureau of Mines
17 sayfa · 1977
Mine gases / Coal / Geology / Methane