History of anthracite coal mining in Pennsylvania 12). Once in Philadelphia, he used testimonials and public demonstrations to negate the stereotype of anthracite and convince Philadelphia society that the hard coal could be used as a replacement for bituminous coal (Adams, “Warming the Poor,” 81). Cist and other advocates including the Pennsylvania state legislature and government officials continued to promote the anthracite, and the War of 1812 was able to open the way for Pennsylvania anthracite coal to outdo Virginia’s bituminous’ share of the market (Day, 371). With the opening of the major canals Lehigh, Schuylkill, and Delaware & Hudson in addition to smaller ones such as
Anthracite budgerigar mutation just one Anthracite allele correspond to the splits of recessive mutations. A single Anthracite factor has a similar effect to the Dark mutation, causing a Skyblue to become Cobalt in appearance - as was suspected with the English Grey. In fact, the similarity of the Anthracite to the English Grey is striking. The description is virtually identical, and the cobalt appearance of a Skyblue with a single Anthracite factor is exactly what was suspected for the English Grey. The interaction of the Anthracite and Dark budgerigar mutations has not yet been investigated. It is expected that a combination of the