Identifier: annualreportof5421900newy (find matches)
Title: Annual report of the Regents
Year: 1889 (1880s)
Authors: New York State Museum University of the State of New York. Board of Regents
Subjects: New York State Museum Science
Publisher: Albany : J.B. Lyon, State Printer
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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icksand occurin the blue. The yellow is dry and tough, and has to be workedby undermining. In thickness the clay varies from 20 to 60 feet;the layers are in many places contorted, and in some cases thestratification has been obliterated. Overlying the clay are graveland sand; the latter is used for tempering. Most of the ISTewWindsor clay permits the addition of very little water in tempering.Ring pits and Adams machines are used at these yards. The yardsare all situated along the river, and ship their product on bargesor by the West Shore railroad. Dutchess Junction, Dutchess co. There are several brick man-ufacturing firms having yards along the river south of DutchessJunction. They obtain their clay from the escarpment of an80 foot terrace which extends from a short distanx2e north ofStormking to Dutchess Junction. The clay has a fairly uni-form thickness; the upper 4 to 8 feet are yellow, the rest blue.The greatest thickness of clay known for this locality is at Aldridge OiCO o Cm
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be a m o CLAYS OF NEW YORK: 697 Bros. yard, where a well was sunk 65 feet through the clay, which,added to the hight of the bank (65 feet), gives us a total thick-ness of 130 feet at this point. The clay is usually covered bygravel, and by sand in some cases sufficiently fine to be used fortempering or even molding. It is worked in benches, and the haul-age distance is 200 to 300 feet. At Timoneys clay bank there issome extra labor in stripping the scrub oaks and other bushes which<;over the surface of the terrace. FishJcill, Dutchess co. Harris & Ginleys yard is situated aboutone quarter of a mile below the town. The clay bank is leasedfrom the New England railroad co. It was formerly quite thick,but clay having been dug for 50 years but a small portion of thebank remains. The clay has a maximum thickness of 45 feet.Streaks of quicksand occur throughout the clay; it is underlain byhardpan and shale. The other yards at this locality are situated along the river froma point abou

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