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Seite v - Director, but otherwise in ordinary octavos. Three thousand copies of each shall be published for scientific exchanges and for sale at the price of publication ; and all literary and cartographic materials received in exchange shall be the property of the United States...
Seite vi - Price 5 cents. 5. A Dictionary of Altitudes in the United States, compiled by Henry Gannett. 1884. 8°. 325pp. Price 20 cents. 6. Elevations in the Dominion of Canada, by JW Spencer. 1884. 8°. 43pp. Price 5 cents. 7. Mapoteca Geologica Americana. A Catalogue of Geological Maps of America (North and South) 1752-1881, in Geographic and Chronologic Order, by Jules Marcou and John Belknap Marcou.
Seite 11 - SURVEY), OF NEW YORK. Most of these determinations are barometric. Some, however, have been determined by trigonometric methods and some by level. APPALACHIAN OLUB (APPAL. CLUB). Most of the determinations credited to this source have been compiled from " Appalachia." They are barometric determinations, or at least depend upon barometric bases. CITY ENGINEERS. Elevations credited to this source are the results of levels courteously furnished me by the city engineers of certain railway centers of...
Seite vi - XIV. Fossil Fishes and Fossil Plants of the Triassic Rocks of New Jersey and the Connecticut Valley, by John S. Newberry. 1888. 4°.
Seite 14 - LEVELS). These are distinguished from other railroad levels, because, as a rule, the preliminary levels are of a far less degree of accuracy ; the results can therefore be accepted only with caution. RAILROADS. Elevations determined by railroad levels are credited to the roads by which they were furnished.
Seite vi - Rocks of New Jersey and the Connecticut Valley, by John S. Newberry. 1888. 4°. xiv, 152 pp. 26 pi. Price $1.00. XV. The Potomac or Younger Mesozoic Flora, by William Morris Fontaine. 1889. 4°. xiv, 377 pp. 180 pi. Text and plates bound separately.
Seite vi - Price 10 cents. 2. Gold and Silver Conversion Tables, giving the coining values of troy ounces of fine metal, etc., computed by Albert Williams, jr. 1883. 8°. 8 pp. Price 5 cents. 3. On the Fossil Faunas of the Upper Devonian, along the meridian of 76° 30', from Tompkins County, NY, to Bradford County, Pa., by Henry S.
Seite 15 - There are now in the possession of this office abstracts of the profiles of more than ninetenths of the railroad mileage of the country, and all this material has been used in the preparation of the present volume. For this material, which is of the greatest value in the preparation of topographic maps as well as for other purposes, this office is in the main indebted directly to the chief engineers of the several railroads. The interest taken in this compilation by railroad engineers, which was...
Seite 1 - 24. List of Marine Mollusca, comprising the Quaternary fossils and recent forms from American Localities between Cape Hatteras and Cape Roque.