Word: controls
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Dates: during 1920-1929
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...Japanese beetle in Southern New Jersey and Pennsylvania have assumed alarming proportions, destroying all fruit and growing plants within its reach. The beetles have infested more than 700 square miles, and are increasing in geometrical progression. The damage to crops is immense. The Department of Agriculture is organizing control measures of two kinds: rigid quarantine by inspection of crop shipments; importation of five varieties of harmless insects which are the beetle's enemies. This marshaling of one species against another by human direction will be perhaps the main tactical principle in the coming war between insects...
...gypsy moth is threatening again in Northern New York and New England. The state has a special Bureau for its control and has a 25-mile zone on the Eastern border under constant supervision for the study of air currents in relation to the moths. More than 6,000 toy balloons were liberated at various points to determine the prevailing course of the winds, and 400 were returned to Albany by their finders. A motorized balloon of a new type, equipped with pumps and sprayers, is used to combat the moths...
...rapids have been shot only a few times since the original Powell expedition of 1869-72. This survey will cover almost 2,000 miles on the Colorado and Green Rivers and their tributaries. Besides completing the topographical maps of the region, the party will seek sites for dams, to control the floods in the Colorado, for irrigation, and for commercial power development on an extensive scale...
...nature, dangers, treatment of venereal diseases; 2) the elimination of those conditions of life which tend to foster promiscuity and the spread of disease. The committee recommends special measures for the quarantine of seaports against persons' suffering from venereal diseases, for the treatment of infected seamen and for control and treatment of mental defectives. Thus, on the whole, the committee aligns itself with the more moderate wing of the social hygiene movement in England and the United States, which places the emphasis on educational measures...
...Greenwich (Conn.) Yacht Yards. Wincapaw was piloting his flying boat in a pleasure trip over Lake George, with two passengers, a Miss Wilson of New York and a Mr. Thomas Light, when a gust of wind wrapped the lady's skirt round the " joy stick " or control column. Frantic efforts to disentangle it failed, and in a wild swoop the seaplane struck the water of the lake with terrific impulse. A sliver from a wing strut pierced the pilot's skull, but the unconscious woman and the other passenger, suffering from a broken leg, were promptly rescued...