[1]+iii+38 p. 59 p. of pl., 3 maps, 6 p. of tabs., 4°
Notes:
[Conducted for district engineer, Philadelphia District, Corps of Engineers, Philadelphia, Pa., by Waterways Experiment Station, Vicksburg, Miss. Supersedes all preliminary reports on subject to Philadelphia District. Text on p. 2 of cover.] and [Processed.]
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