DELAWARE WATER GAP
Historic Resource Study
Slateford Farm
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Appendix 21
Description of Williams' Quarry, 1858

21. Description of Williams' Quarry, 1858
H. D. Rogers, Geology of Pennsylvania, 1858, as quoted in Lesley, et al., Geology of Lehigh and Northampton pp. 86-88.
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Last Updated: 31-Dec-2009