Pamphlet on the evolution of the art of fortification.

Pamphlet on the evolution of the art of fortification. Prepared under the personal direction of Major General William M. Black, chief of engineers, U.S. army. 1919. - Washington, Govt. print. off., 1919. - 107 p. XXVIII pl. (incl. fold. map) plans (1 fold.) diagrs. 23 cm. - Occasional papers, Engineer school, U.S. army, no. 58 .

es 20000001


Fortification.

UG1 / .U5 no. 58

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