Geology of proposed Blue Lake dam site and tunnel near Sitka, Alaska.
Twenhofel, William Stephens, 1918-
Geology of proposed Blue Lake dam site and tunnel near Sitka, Alaska. - [Washington] 1951. - 4 p. maps (1 fold., in pocket) 26 cm. - Geological Survey circular 147 . - Geological Survey circular ; 147. .
Cover title.
gs 52000047 //r85
Geology--Alaska--Sitka district.
[Blue Lake Dam (Proposed)]
QE75 / .C5 no. 147
Geology of proposed Blue Lake dam site and tunnel near Sitka, Alaska. - [Washington] 1951. - 4 p. maps (1 fold., in pocket) 26 cm. - Geological Survey circular 147 . - Geological Survey circular ; 147. .
Cover title.
gs 52000047 //r85
Geology--Alaska--Sitka district.
[Blue Lake Dam (Proposed)]
QE75 / .C5 no. 147