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Blake, George S.
Title: Long Island Sound from Charles Island to Black Rock Lt., Conn.
Publisher: United States. Coast Survey. Washington .
1 map; 104 x 140 cm., on 2 sheets 104 x 70 cm., Sheet 2/2
Notes: Photocopy of an original manuscript. Standard map series designator: Register no. H-23. Includes reference to entry in survey book.