Selected Works
o "Brecknock Township, Lancaster County, PA" (US Geological Survey, 1977). Also www.usgwarchives.net...as/usgs/brecknoc.jpg (US GenWeb; accessed 2006 Jun 30).
o "Caernarvon Township, Lancaster County, PA" (US Geological Survey, 1977). Also www.usgwarchives.net...as/usgs/caernarv.jpg (US GenWeb; accessed 2016 Jul 27).
-- "Honeybrook Quadrangle, PA" (US Geological Survey, 1905). Also www.lib.utexas.edu/m...-honeybrook-1905.jpg (Perry-Castañeda Library at University of Texas at Austin, 2016 Oct 24; accessed 2016 Oct 24).
o "Earl Township, Lancaster County, PA" (US Geological Survey, 1977). Also www.usgwarchives.net...lancas/usgs/earl.jpg (US GenWeb; accessed 2006 Jun 30).
o "East Earl Township, Lancaster County, PA" (US Geological Survey, 1977). Also www.usgwarchives.net...as/usgs/eastearl.jpg (US GenWeb; accessed 2009 Oct 11).
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