Coal the heat and pressure of deep burial causes the loss of water, methane and carbon dioxide and an increase in the proportion of carbon. Thus first lignite (also called "brown coal"), then sub-bituminous coal, bituminous coal, and lastly anthracite (also called "hard coal" or "black coal") may be formed. The wide, shallow seas of the Carboniferous Period provided ideal conditions for coal formation, although coal is known from most geological periods. The exception is the coal gap in the Permian–Triassic extinction event, where coal is rare. Coal is known from Precambrian strata, which predate land plants—this coal is presumed to
John A. Burns in Leavenworth, then transferred to St. Benedict High School (now Maur Hill – Mount Academy) in Atchison. In 1927 Burns dropped out of high school and joined the army, but did not like taking orders. He was honorably discharged after one year. Burns returned to Hawaii, waiting a semester to attend Saint Louis School and eventually graduate in 1930. His work as a sympathetic police officer, building close ties with working class folks from numerous ethnic groups, notably Japanese and native Hawaiians. While a police officer in Honolulu, his first political efforts arose from his work with the Police Benevolent