The Delaware Canal The Upper Grand The American Slate quarrying be- The peak year of The Great Flood of The Bethlehem Iron Fire at the Avondale 1834 and Morris Canal 1838 section of the Lehigh 1840 Industrial Revolution 1848 gins rapid growth 1855 anthracite coal 1862 June 3-5, the Lehigh 1863 Company begins 1869 Mine near Plymouth, connect with the Lehigh Navigation Navigation is built from Mauch begins with the first large-scale with the founding of Bangor by transport on the Lehigh and River region’s worst-ever natural production of iron railroad rails at Luzerne County, kills 110 miners. (completed in 1829) at Easton. The Chunk to White Haven. With 20 production of iron using anthracite Welsh immigrant Robert Jones. Delaware canals; 1.3 million tons disaster, destroys the Upper Grand its South Bethlehem location. In response, Pennsylvania three-canal system carried dams and 29 locks, this coal and local iron ore, at the The “Slate Belt” extends through of anthracite are delivered from section, the upper Lehigh lumber- Bethlehem Iron Company was the enacts the first mine safety laws anthracite to the Philadelphia and waterway overcame a difference Lehigh Crane Iron Works in what central Northampton County from northern mines. The Lehigh Valley ing industry, and much of the predecessor of the Bethlehem in the United States, but the di- New York markets. in elevation of more than 600 feet. is now Catasauqua. Slatington to Bangor. Railroad opens late in the year. Lehigh Canal. Steel Company. saster spurs mine union activity.