History of anthracite coal mining in Pennsylvania the Delaware Division and Morris Canals, canal companies successfully provided urban markets for anthracite coal (Latzko, 3). The anthracite commercial market greatly expanded, and the hard coal was used as valuable fuel for heating and cooking domestically, as well as energy sources for small businesses such as blacksmiths, brewers, bakers, and manufacturers (Adams, “US Coal Industry”). Joseph White and Erskine Hazard founded the Lehigh Navigation Company in 1818. They wanted to use rivers to more efficiently transport anthracite coal. After they were declined a charter to the Schuylkill River, they tried to receive a charter for the Lehigh River. The
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