Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Sirmons, Roberta"'
Autor:
DiMichele, William A., Kerp, Hans, Sirmons, Roberta, Fedorko, Nick, Skema, Viktoras, Blake, Bascombe M., Jr., Cecil, C. Blaine
Publikováno v:
In International Journal of Coal Geology 1 November 2013 119:56-78
Publikováno v:
Guidebook for the Annual Field Conference of Pennsylvania Geologists; 2021, Issue 85, Special section p121-152, 32p