1. H. O. publication. 147. Nov. 11, 1950 supplement to Hydrographic Office publication 147, Sailing directions for west coast of Scotland, corrections and additions from date of publication (Dec. 4, 1948) to Nov. 11, 1950 (including N. M. 45/50). Bookmark Corporate/Agency Authors: Hydrographic Office (Navy) and Defense Dept. Publisher: Hydrographic Office (Navy) Date: 1951 SuDoc number: M 202.23:147/948-3