The construction and development of the Delaware and Hudson Canal led to the creation of one of the Hudson Valley’s greatest manufacturing industries in the 19th century — that of the famous Rosendale cement. For a time considered the best cement manufactured in this country it and at the turn of the 20th century was the source of half of America’s production of natural cement.
Ulster County cement was used in the construction of the Brooklyn Bridge; the Croton Aqueduct, which supplied New York City with water; the dry-dock of the Brooklyn Navy Yard; hundreds of New York City’s largest buildings; and the principal construction projects of the Hudson River Railroad among many other places. [Read more…] about The Natural Cement Industry of Ulster County
This essay reprints articles that first appeared in the winter of 1860 in several New York newspapers. It was transcribed by 
The positive impacts of the Delaware & Hudson Canal on Sullivan County were indisputable. With its opening in 1828, the 108-mile-long waterway made it possible for the first time to easily transport goods in and out of the area, and directly led to the growth of the tanning and bluestone industries. Entire communities, such as Barryville, Wurtsboro and Phillipsport, owe their very existence to the D & H, and while the canal was in operation, each was among the largest communities in the county in terms of commerce and population. 
