Surveyed & under the direction of Captain John Grant, P.A.C.S. , A.S. Barrows principal assis't eng. , made under the direction of A.H. Campbell, Capt. P.E. & Chf. Top. Dept., scale 1 3/5 in. to one mile or 1:40,000 , approved by him Jan. 22nd 1863 , redu