Specification No. 1512, for dredging and filling in, at U.S. Navy Yard, League Island, Pa., under appropriation "Navy-Yard, League Island, Pa.: Extension of reserve basin, to continue dredging"
Publisher: [s.n.]
Published: 1906
Place of publication: Washington, D.C
Format: Microform
Subjects: Dredging.; Navy-yards and naval stations -- Pennsylvania -- Philadelphia.