Bentonite deposits of the northern Black Hills district, Montana, Wyoming and South Dakota
TITLE_DISPLAY:
Bentonite deposits of the northern Black Hills district, Montana, Wyoming and South Dakota
出版信息:
Washington, D.C. : U.S. Geological Survey, 1956.
格式:
地图
系列:
Mineral investigations field studies ; map MF-36
Miscellaneous field studies (Geological Survey (U.S.)) ; map MF-36.
物理描述:
2 maps : col. ; 61 x 100 cm. and 77 x 89 cm. on sheets 147 x 107 cm. folded to 19 x 28 cm. in envelope 30 x 24 cm.
附加团体著者: