Show aag b office it 6 dw A T each month more than charts roll off the presses of the U S navy hydrographic hydro graphic office giving detailed de tailed vital data on the harbors and expanses expanse sot of the seven seas U S navy avy ships are arc constantly char ch charting arting artine ting new segments of the oceans ocean s new ports of call new reefs and channels not only the fleet but friendly mariners marinero ma of many nations profit by these charts above is the Bow Dow bowdoin doin doln famous exploration ship formerly owned by cedr donald B R mcmillan IIan lian arctic explorer which I 1 is 3 still in active service for the lo office of ile lle the na navy llo ilo V Z hary wry nry photograph |