999 resultados para United States Courthouse (Washington, D.C.)


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Title on cover: Return American business and labor to the bargaining table.

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"Completed and opened for public viewing, September 27, 1952"--Cover.

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Also shows government buildings and block numbers.

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Each map is a floorplan showing amenities of the underground visitors' center open to tourists and the public.

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Shows block numbers, block dimensions, and street widths.

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Relief shown by spot heights.

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Covers area bounded by 7th St. west, C St. north, 1st St. east, and C St. south.

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India ink on recto and orange wash on verso.

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This paper summarizes current information on the American shad, Alosa sapidissima, and describes the species and its fishery. Emphasis is placed on (1) life history of the fish, (2) condition of the fishery by State and water areas in 1960 compared to 1896 when the last comprehensive description was made, (3) factors responsible for decline in abundance, and (4) management measures. The shad fishery has changed little over the past three-quarters of a century, except in magnitude of yield. Types of shad-fishing gear have remained relatively unchanged, but many improvements have been made in fishing techniques, mostly to achieve economy. In 1896 the estimated catch was more than 50 million pounds. New Jersey ranked first in production with about 14 million pounds, and Virginia second with 11 million pounds. In 1960 the estimated catch was slightly more than 8 million pounds. Maryland ranked first in production with slightly more than 1.5 million pounds, Virginia second with slightly less than 1.4 million pounds, and North Carolina third with about 1.3 million pounds. Biological and economic factors blamed for the decline in shad abundance, such as physical changes in the environment, construction of dams, pollution, over-fishing, and natural cycles of abundance, are discussed. Also discussed are methods used for the rehabilitation and management of the fishery, such as artificial propagation, installation of fish-passage facilities at impoundments, and fishing regulations. With our present knowledge, we can manage individual shad populations; but, we probably cannot restore the shad to its former peak of abundance.

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Vol.1, published 1901; v.2, published 1904. cf. Catalog of the public documents, 56th Cong., 1899/1901; 57th Cong., 1901/03.

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Mode of access: Internet.

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Shipping list no.: 96-0356-P.

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Covers U.S. Capitol, Capitol Grounds, and surrounding government buildings.

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Covers U.S. Capitol, Capitol Grounds, and surrounding government buildings.