TY - BOOK AU - Twenhofel,William Stephens TI - Geology of proposed Blue Lake dam site and tunnel near Sitka, Alaska T2 - Geological Survey circular 147 AV - QE75 .C5 no. 147 PY - 1951/// CY - [Washington] KW - Geology KW - Alaska KW - Sitka district KW - [Blue Lake Dam (Proposed)] N1 - Cover title ER -