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Allentown, the Queen City of the Lehigh Valley, is the youngest but largest of the three cities in the valley. Founded in 1762 by William Allen, it was little more than a crossroads and small market town along the Lehigh River until it became the county seat in 1812. Heavy industries based on iron developed in the mid-eighteenth century along the Lehigh River and, by the 1860s, Allentown had become the largest community in the Lehigh Valley. In 1867, Allentown became a city.

In Allentown, readers nostalgic for times past will find photographs showing the places they remember from years ago,...

America's portland cement industry began in the Lehigh Valley. The rich deposit of limestone known as the Jacksonburg Formation arcs through the valley from Berks County, Pennsylvania, to Warren County, New Jersey, and today it still provides the raw material for the Lehigh district's famous high-quality portland cement. Cement from the Lehigh Valley built America's skyscrapers, dams, and highways. The Lehigh Valley Cement Industry documents not only the quarries and cement mills but also the dozens of companies that sprang up to supply and support the industry. The photographs also tell the...