1. Mineral Resources
  2. Online Spatial Data
  3. National Mineral Resource Assessment 1998

Mineral assessment tracts in Montgomery county, Pennsylvania

[Additional scientific data in this geographic area]

SA18: Sediment-hosted Cu (30b) (Early Mesozoic) , covers 79 % of this area
90%50%10%5%1%
12333
SA20: Low-sulfide Au-quartz vein (36a) (Paleozoic) , covers 16 % of this area
The number of undiscovered deposits in this tract was not estimated.