Folder 4, 1972-05

- Booklet - “Indian History and Legends of Pennsylvania’s Picturesque Playground” - by A. F. Stokes - Booklet - “A Natural System Plan for Delaware Water Gap National Recreation Area” - Correspondence - 5/1/1972 - From: Secretary of the Interior, To: Clifford P. Case - comments on the environmental impact report for the Tocks Island Dam - Booklet - “Historic Pennsylvania Leaflet no. 24: The Walking Purchase” - Pennsylvania Historical and Museum Commission - Booklet - “Historic Pennsylvania Leaflet no.18: Benjamin Franklin” - Pennsylvania Historical and Museum Commission - Booklet - “Historic Pennsylvania Leaflet no.20: Abraham Lincoln and Pennsylvania” - Pennsylvania Historical and Museum Commission - Booklet - “Historic Pennsylvania Leaflet no.13: Young Washington in Pennsylvania” - Pennsylvania Historical and Museum Commission - Booklet - “Historic Pennsylvania Leaflet no. 32: Chief Cornplanter” - Pennsylvania Historical and Museum Commission - Booklet - “Historic Pennsylvania Leaflet no.31: Pennsylvania Archeology: An Introduction” - Pennsylvania Historical and Museum Commission