Reading Anthracite Company Reading Anthracite Company Reading Anthracite Company is a coal mining company based in Pottsville, Pennsylvania in the United States. It mainly mines anthracite coal in the Coal Region of eastern Pennsylvania. The company owns the Bear Valley Strip Mine in Northumberland County, Pennsylvania. Reading Anthracite Company; origins date back to 1871 when its predecessor, the Philadelphia and Reading Coal and Iron Company (P. & R. C.& I.) was chartered. As a large publicly traded concern, P. & R. C. & I. had diverse industrial interests which revolved primarily around its main business of railroading. P. & R. C. & I.
Anthracite budgerigar mutation now be determined. It seems likely that the Anthracite is the re-emergence of the English Grey. A bird with two Anthracite factors has an extremely dark grey body, jet black markings and the cheek patches of the same very dark grey as the body. G W von Kamrath describes them as "jet black wing and tail markings and deep black cheek patches". A single Anthracite factor has a similar effect to the Dark mutation, causing a Skyblue to become Cobalt in appearance. The Anthracite mutation appeared in Germany in 1998 in the aviaries of Hans-Jürgen H Lenk, who successfully established