Allentown’s park system has many gems, but the Little Lehigh Trout Hatchery, three miles southwest of Allentown, attracts all those who are looking to combine a variety of relaxation, exercise and water views.

Spring was supposed to be only two days away. But for those who gathered on the chilly, rainy morning of March 19 ,1927 outside the Lehigh Valley Railroad Station in Allentown, it must have seemed a lot farther away. 

In 1845, roughly when a part-time surveyor of Concord, Mass. named Thoreau was writing a book that would make him immortal, another surveyor was making a discovery that would change the course of the Lehigh Valley's industrial history.