46th forum on the geology of industrial minerals : program with abstracts and field trip guide : Middletown, Pennsylvania, USA : May 22-25, 2010 : 46th annual industrial minerals forum : May 2010, Middletown, PA.
46th forum on the geology of industrial minerals : program with abstracts and field trip guide : Middletown, Pennsylvania, USA : May 22-25, 2010 : 46th annual industrial minerals forum : May 2010, Middletown, PA.
国立国会図書館請求記号
M17-12-1689
国立国会図書館書誌ID
023221127
資料種別
図書
著者
Pennsylvania. Bureau of Topographic and Geologic Survey.