TY  - RPRT
TI  - A comprehensive trail inventory and recommendations for development and maintenance of a trail system in Delaware Water Gap National Recreation Area. Final Research Report
AU  - Pat Williams
AU  - J. L. Marion
AU  - R. Rajala
PY  - 1992
UR  - https://pubs.usgs.gov/publication/5200150
ID  - 5200150
ER  -