J.P. Panter:
Penn "blue stone" in full color range
J.P. Panter:
Penn "Blue Stone" supreme
J.P. Panter:
"Autumn Gold" quartzite boulders
J.P. Panter:
Three River boulders
J.P. Panter:
Blue River Rock
J.P. Panter:
What we will never have again...
J.P. Panter:
Penn Blue stone, "full color" example
J.P. Panter:
Penn Blue Stone "Full Color" example
J.P. Panter:
Penn Blue stone "full color" striation