Map of New Jersey and Pennsylvania exhibiting the post offices, post roads, canals, rail roads, &c.

Scale ca. 1:650,000.

Delaware Water Gap National Recreation Area, New Jersey and Pennsylvania.

Scale ca. 1:130,000.

Delaware Water Gap National Recreation Area, New Jersey and Pennsylvania /

Scale ca. 1:130,000.

Delaware Water Gap National Recreational Area, New Jersey and Pennsylvania /

Panel title.

Delaware Water Gap National Recreation Area, New Jersey and Pennsylvania /

Relief shown by shading and spot heights.

Delaware Water Gap National Recreation Area, New Jersey and Pennsylvania /

Relief shown by shading.

Delaware Water Gap National Recreation Area, New Jersey and Pennsylvania /

Relief shown by shading.

Delaware Water Gap National Recreation Area, New Jersey and Pennsylvania /

Relief shown by shading and spot heights.

Delaware Water Gap National Recreation Area, New Jersey and Pennsylvania /

Relief shown by shading and spot heights.

Delaware Water Gap National Recreation Area, New Jersey and Pennsylvania /

Relief shown by shading and spot heights.

Delaware Water Gap National Recreation Area, New Jersey and Pennsylvania /

Relief shown by shading and spot heights.

Delaware Water Gap National Recreation Area, New Jersey and Pennsylvania /

Relief shown by shading and spot heights.

Delaware Water Gap National Recreation Area, New Jersey and Pennsylvania /

Relief shown by shading and spot heights.

Delaware Water Gap National Recreation Area, New Jersey and Pennsylvania /

Relief shown by shading and spot heights.

[Topographic map of portion of Aberdeen Proving Ground, Maryland, and topographical and architectural examples and exercises] /

Relief shown by contours.