1-2 of 2 Books
Aquifer tests and simulation of gound-water flow in Triassic sedimentary rocks near Colmar, Bucks, and Montgomery Counties, Pennsylvania
Aquifer tests and simulation of gound-water flow in Triassic sedimentary rocks near Colmar, Bucks, and Montgomery Counties, Pennsylvania
By Dennis W Risser

Communities and conflict in early modern Colmar, 1575-1730
By Peter George Wallace