Brobst, Donald A. 1925-2011
Geology of the spruce pine district avery, Mitchell, and Yancey counties North Carolina / by Donald A. Brobst. -- Washington : United States Government Printing Office, 1962 - 26 p. -- (Geological Survey Bulletin ; 1122-A).
Carolina del Norte
Geología
55(756)
Geology of the spruce pine district avery, Mitchell, and Yancey counties North Carolina / by Donald A. Brobst. -- Washington : United States Government Printing Office, 1962 - 26 p. -- (Geological Survey Bulletin ; 1122-A).
Carolina del Norte
Geología
55(756)