BUILT TO LAST · ment includes an Allis Chalmers 21K gyratory, two 7-foot Symons standard crushers,...

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BUILT TO LAST

A PENTON MEDIA PUBLICATION

TILCON NEW YORK'S CLINTON POINT QUARRY

[ PAGE 20 ]

THE AGGREGATE INDUSTRY'S LEADING SOURCE OF INFORMATION SINCE 1896

TRANSPORTATION RESEARCH BOARD REPORT P. 30

BLUE SPRINGS NATURE PRESERVE: A CASE STUDY P. 34

APRIL 2008

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