Title: Fortifications, the Panama Canal. Letter from the Secretary of the Treasury, transmitting a copy of communication from the Secretary of War, resubmitting an estimate of an appropriation for $1,573,950, for the fiscal year 1918, to be immediately available, for the establishment and equipment of a submarine base, Panama Canal
Subjects: Armed Forces, Appropriations and expenditures, Navy-yards and naval stations
Places: Panama Canal (Panama)