Maclay, S., & Meginness, J. F. (1887). Journal of Samuel Maclay: While surveying the west branch of the Susquehanna, the Sinnemahoning and the Allegheny rivers, in 1790. Williamsport, Pa.: Gazette and bulletin print. house.

Maclay, Samuel, and John Franklin Meginness. Journal of Samuel Maclay: While Surveying the West Branch of the Susquehanna, the Sinnemahoning and the Allegheny Rivers, in 1790. Williamsport, Pa.: Gazette and bulletin print. house, 1887.

Maclay, Samuel, and John Franklin Meginness. Journal of Samuel Maclay: While Surveying the West Branch of the Susquehanna, the Sinnemahoning and the Allegheny Rivers, in 1790. Williamsport, Pa.: Gazette and bulletin print. house, 1887.