File:Image from page 67-2 of "City roads and pavements suited to cities of moderate size." (1902).jpg

English: Caption:

BLOCK STONE PAVEMENT, ROCHESTER, N. Y., 1900. Setting Medina sand-stone blocks on six-inch concrete base covered with one and one-half inches to two inches of sand-cushion.

Identifier: cityroadspavemen00juds Title: City roads and pavements suited to cities of moderate size. Year: 1902 (1900s) Authors: Judson, William Pierson, 1849-1925 Subjects: Streets Pavements Roads Publisher: New York : The Engineering news publishing company Contributing Library: The Library of Congress Digitizing Sponsor: The Library of Congress

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Text Appearing Before Image: ing force, as indicated by thefollowTng statements of average pounds of crushingforce endured per square inch : — Maine granite, 15,000 to 22,000 pounds; Quincygranite, 19,500 pounds; average of several of the NewEngland granites, 22,000 pounds; Palisades diabasetrap, 19,700 pounds; Medina, N. Y., sandstone, on bed,17,500 pounds ; Berea, Ohio, sandstone, 10,250 pounds ;Oxford, N. Y., blue stone (sandstone), 13,470 pounds;Kettle River, Minnesota, sandstone (after seasoning),on bed, 12,300 pounds. Paving blocks of Medina sandstone are used to thelargest extent in the cities of Rochester and Buffalo,N. Y., and Cleveland, Columbus and Toledo, Ohio, andare quarried along both sides of the Erie canal invarious places from thirty to fifty miles west of Roch-ester, N. Y. The methods are particularly good inRochester and in Cleveland, where the best pavementsare laid on concrete foundation. At Rochester, thehalf-inch joints are filled with hot coarse sand and hot 61 CITY ROADS AND PAVEMENTS.

Text Appearing After Image: Setting Medina sand-stone blocks on six-inch concrete base coveioi wiiii une andone-half inches to two inches of sand-cushion.

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