H. O. publication. 77-S. 1948 supplement to Hydrographic Office publication 77, Sailing directions for northern Canada, corrections and additions from date of publication (Nov. 16, 1946) to Jan. 1, 1948.
Publication Title:
1948 supplement to Hydrographic Office publication 77, Sailing directions for northern Canada, corrections and additions from date of publication (Nov. 16, 1946) to Jan. 1, 1948.
Display Title:
H. O. publication. 77-S. 1948 supplement to Hydrographic Office publication 77, Sailing directions for northern Canada, corrections and additions from date of publication (Nov. 16, 1946) to Jan. 1, 1948.