Premise: The Trexler Nature Preserve is an 1,108 acre county park owned and maintained by Lehigh County, Commonwealth of Pennsylvania. The preserve is situated in Lowhill Township and North Whitehall Township and the land that comprises the preserve was originally purchased between 1901 and 1911 by local industrialist General Harry Clay Trexler.
Hypothesis: The Trexler Nature Preserve is known to have rare earth minerals underground