Allegheny Portage Railroad 6 to 10 Trail


  • Boundary Survey
  • Topographic Survey
  • Construction Stakeout Survey
  • NPDES Stormwater Construction Permit
  • Erosion and Sedimentation Plan


National Park Service, Cambria County

Project Details

Keller Engineers provided the following survey services for a National Park Service project. Additionally, during the multiple stages of this project, the survey team resolved a property dispute that surfaced.

  • Boundary survey for a 100-acre tract of National Park Service property
  • Location and survey of the 10-mile Wilderness Trail corridor from Summit Level to Foot-of-Ten
  • Boundary survey for various parking areas, rest areas, along the old Portage Railroad bed, and interpretation areas.
  • Highway Occupancy topographic surveys for three crossings (safety factors)
  • Construction survey and handicapped accessibility survey in selected areas.


Keller Engineers has been an extremely valuable asset for us in the development/construction of our store sites by providing accurate and timely structural and site development drawings and answers to related questions.  Their response and turn-around time to the Sheetz Store Development Department has been outstanding. We have no hesitation in turning to Keller Engineers for our store structural and site development needs. Joe S. Sheetz, Executive Vice President, Finance & Store Development Sheetz Corporation

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