Yazar
William Kebblish
4 cilt bulundu.
William Kebblish · Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey
39 sayfa · 1978
Mineral industries / Mines and mineral resources
William Kebblish · Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey
Sayfa sayısı yok · 1985
Mineral industries / Mines and mineral resources
William Kebblish, United States. Bureau of Mines, Pennsylvania. Bureau of Topographic and Geologic Survey · Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey
32 sayfa · 1980
Mineral industries / Mines and mineral resources
William Kebblish, Robert J. Tuchman, United States. Bureau of Mines, Pennsylvania. Bureau of Topographic and Geologic Survey · Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey
13 sayfa · 1982
Mineral industries / Mines and mineral resources