... remarkably after 184 0, increasing from 11 percent that year to 28 percent by 188 0 and to 46 percent by 1900 A country with only cities boasting a population of more than 8, 000 in 180 0 had become ... unknown during 185 the golden days of the American landscape movement, which began around 185 0 and lasted until the late 186 0's, the Hudson River school seems to have emerged in the 187 0's as a direct ... biological properties On a 19 48 vacation, Hazen fortuitously collected a clump of soil from the edge of W.B Nourse's cow pasture in Fauquier County, Virginia, that, 184 when tested, revealed the presence...