987 resultados para United States.--Continental Army--History
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The chapter on natural history (1st edition, v. 2, chapter 7) is in this edition transferred to the appendix. In this appendix the Estimate of the western Indians is given under the heading: "Enumeration of Indian nations and their places of general residence."
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Mode of access: Internet.
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[v. 11] The framework of hemisphere defense / by S. Conn and B. Fairchild -- [v. 2.] Guarding the United States and its outposts / by S. Conn and B. Fairchild.
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Mode of access: Internet.
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Mode of access: Internet.
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Vol. 1: New ed. in nine volumes, 1928.
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Mode of access: Internet.
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Includes bibliography.
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Includes indexes.
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National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.
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Mode of access: Internet.
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v. 1-2. The first administration of Thomas Jefferson.--v. 3-4. The second administration of Thomas Jefferson.--v. 5-6. The first administration of James Madison.--v. 7-9. The second administration of James Madison.
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Mode of access: Internet.
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Along most of the U.S. east and gulf coasts from Long Island to the Mexican Border, bottom profiles extending over the Inner Continental Shelves normal from the coast display a characteristic two-sector shape. Near the coast, the 'shoreface' profile sector is steep and concave-up; the seaward 'ramp' sector is planar with a gradual slope away from the coast. As part of the Beach Evaluation Program at this Center, 9 profiles extending from the coast 30.5 km (19 miles) seaward at each of 49 localities were averaged to mathematically characterize the profiles and to develop and test criteria for discriminating among groups of profiles. Results indicate Inner Continental Shelf profiles can be mathematically defined by 4 parameters: a = ramp slope (0 - 0.00107); b = depth of the ramp at the shoreline, when the ramp is extended as a straight line below the shoreface sector (0 - 24.7 meters, 0 - 81 feet); c = distance from the shoreline to the shoreface-ramp boundary (0.2 - 20.6 km, 0.12 - 12.9 miles); and f = index of concavity of the shoreface sector (0.21 - 1.72). Values in parentheses are the range of values obtained for the 49 averaged profiles. An equation was developed to define bottom depth as a function of distance from shore incorporating these four parameters. Computed depths using the equation were found to be generally within 5% of actual profile depths. In most cases, no relationship was found between the geometric characteristics of the shoreface and the ramp.
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Stamped at head of cover title: Also issued as 88/2 H. doc. 308.