Great Lakes. Supplement 6, Oct. 30, 1939, corrections and additions to Bulletin 48, Survey of northern and northwestern lakes; to supplement information given upon charts of Great Lakes.
Publication Title:
Great Lakes. Supplement 6, Oct. 30, 1939, corrections and additions to Bulletin 48, Survey of northern and northwestern lakes; to supplement information given upon charts of Great Lakes.
Display Title:
Great Lakes. Supplement 6, Oct. 30, 1939, corrections and additions to Bulletin 48, Survey of northern and northwestern lakes; to supplement information given upon charts of Great Lakes.