Refs.:
Second Geological Survey of Pennsylvania: 1874 Preliminary Report on the Mineralogy of Pennsylvania: F. A. Genth, p. 44
MATRIX Vol.5 No.3 "The History of an Obscure PA. Rutile Occurrence" J.L. Lininger. pp. 115-119
Rutile location along the occurrennce region from Parkesburg, Chester Co. running southwest to Constitution, York Co. Pennsylvania, continuing southward to Dining prospect, Hartford Co., Maryland. Large crystals, sometimes occurring in doubly geniculated V-twins found loose in soils.