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Sheet No. 2. Isodynamic lines at time of maximum velocity of ebb, surveyed in May, June & July 1886. , 1888

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Title:
Sheet No. 2. Isodynamic lines at time of maximum velocity of ebb, surveyed in May, June & July 1886.
Creator:
Not named
Date Created:
1888
Physical Format:
31 x 107 in.
Coverage:
Delaware River, Five Mile Point to Poquessing Creek
Identifier:
RC-G-3
Media:
Mounted
Map Features:
Colored lines showing various velocities of current on ebb tide. "Plotted and drawn, and computation checked by H. L. Marindin, C & G Survey, from November to January 1887."
Scale:
1 inch = 400 feet
Source:
Philadelphia Streets Department, Survey and Designs Bureau
Image File(s)
RC-G-3
Greater Philadelphia GeoHistory Network / PhilaGeoHistory.org A project of the Athenaeum of Philadelphia / Permission is required to duplicate or publish materials on this site.
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