On the Pocono plateau is a large deposit of a finegrained dark-blue stone of the Devonian formation which is known as the Wyoming Valley stone, and, like the New York " bluestone," which it closely resembles, is much used for window and door trimmings, steps and flagging.
Gibson and begun in 1883; St Peter's Episcopal Church (French Gothic), of Hudson River bluestone; Emmanuel Baptist Church, of white granite; the Madison Avenue Reformed Church; and St Joseph's (Roman Catholic), of bluestone and Caen stone with marble trimmings.
In 1908 the value of Pennsylvania sandstone and bluestone was $1,368,784.
Granite, bluestone, limestone and slate abound in the neighbourhood.
The Anglican church of St Mary is built of Oamaru and bluestone, with a roof of kauri wood.