THE NORTH SEA MINE BARRAGE
By CAPT. REGINALD R. BELKNAP, U. S. N.
Reprinted from the NATIONAL GEOGRAPHIC MAGAZINE. February, 1919 Copyright, 1919, by the National Geographic Society
WASHINGTON, D. C.
PRESS OF JUDD & DETWEII*KR, INC.
I919
THE NORTH SEA MINE BARRAGE
By CAPT. REGINALD R. BELKNAP, U. S. N.
Reprinted from the NATIONAL GEOGRAPHIC MAGAZINE. February, 1919 Copyright, 1919, by the National Geographic Society
WASHINGTON, D. C.
PRESS OF JUDD & DETWEII*KR, INC.
I919