J. Peter Lesley House

Address: 1008 Clinton St, Philadelphia, PA 19107

Neighborhood: Washington Square West

Description: From 1869 until 1896, J. Peter Lesley, one of America’s foremost geologists, had his residence and office here. Lesley served as geologist for the State of Pennsylvania and was director of the Second Geological Survey of Pennsylvania from 1874 to 1896, an extraordinary survey that eventually resulted in 120 volumes. Lesley is regarded as the father of the science of topographic geology, and he achieved acclaim for mapping the state’s anthracite districts. His detailed and precise maps were put to practical use in mining operations. Today it is a private residence.

Resources for Researchers

Information for Visitors

  • Private residence


  • Scientific explorations – science, medicine, health
  • Business of life – stories of daily life, business, industry, commerce

Link to NHL Nomination Form