Reston, Va. : The Survey ; Denver, Colo. : For sale by the Survey, [1991]
Physical Details
1 map : color ; 54 x 44 cm
OCLC
ocm25120852
Cartographic Data
Scale 1:24,000, polyconic proj
(W 75⁰30ʹ00ʺ--W 75⁰22ʹ30ʺ/N 39⁰52ʹ30ʺ--N 39⁰45ʹ00ʺ).
Relief shown by contours and spot heights.
Depths shown by isolines and soundings.
Filing title: Marcus Hook, Pa.--N.J.--Del.
"Revisions shown in purple and woodland compiled in cooperation with commonwealth of Pennsylvania agencies from aerial photographs taken 1983 .. map edited 1986."