Scale 1:24,000 ; Polyconic projection (W 76°45ʹ00ʺ--W 76°37ʹ30ʺ/N 40°22ʹ30ʺ--N 40°15ʹ00ʺ).
"Revisions ... compiled in cooperation with State of Pennsylvania agencies from aerial photographs.", "Contour interval 20 feet.", Includes quadrangle location map., Relief shown by contours and spot heights., and Earlier sheets use title: Hummelstown.
Source of Acquisition:
University Park copy, selected sheets: Purchased with funds from the Paterno Libraries Endowment Fund; 20020521.