Smith, Martin Luther, surveyor, 1819-18666.
United States. Bureau of Topographical Engineers. . .« (Continued)
No. ll. Size, 25 3/4 x 19 1/8 inches. Scale (com- puted), 2 miles to 1 inch. ([Washington. 1850.])
The report may be found on shelf-number No. 8 in *4422.27.