Progress map of Signal Corps telegraph lines & cables in the military division of the Philippines : based on map of Montero y Gay, issued by the Military Information Bureau, Adjutant General's Office
Progress map of Signal Corps telegraph lines & cables in the military division of the Philippines
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Progress map of Signal Corps telegraph lines & cables in the military division of the Philippines : based on map of Montero y Gay, issued by the Military Information Bureau, Adjutant General's Office
Relief shown by hachures, shading and spot heights. Depths shown by soundings.
Prime meridians: Manila and San Fernando.
"Corrected to July 1st, 1900."
"A.B. Graham Photo. Lith."
From Annual reports of the War Department for the fiscal year ended June 30, 1900. Report of chiefs of bureaus (Washington, D.C. : Government Printing Office, 1900).