Our firm did some work back in the mid-1990s at the Saltsburg Canal Park
in western Pennsylvania for the National Park Service.  This was part of
the Pennsylvania Mainline Canal.  Work involved shovel test and trench
excavations at a Locktenders House, Canal-period warehouse, etc.

See:
Archaeological Testing and Mitigation, Phase I Development  --
Saltsburg Canal Park, Saltsburg, Indiana County, Pennsylvania
(Southwestern Pennsylvania Heritage Preservation Commission
Archeological Report No. 6) -- 1996

Archaeological Testing, Mitigation, and Monitoring of the Proposed
Comfort Station, Stewart Warehouse, Altman Mill and Saltsburg Glass
Factory, Phase I Development  -- Saltsburg Canal Park, Saltsburg,
Indiana County, Pennsylvania (Southwestern Pennsylvania Heritage
Preservation Commission  Archeological Report No. 7) -- 1996

Ben Resnick
Group Manager
Cultural Resources
GAI Consultants, Inc.
570 Beatty Road
Monroeville, PA  15146
(412) 856-9220, ext. 1391