An extensive number of trolley car lines linked the city of Philadelphia to the rich farmland and picturesque towns of southeastern Pennsylvania. These trolley lines traversed miles of narrow streets lined with row houses whose residents were proud working-class Americans. These historic photographs trace the trolley cars' routes, including Route 23, the region's longest urban trolley route, from the expanses of Northwest Philadelphia's Chestnut Hill through the crowded commercial Center City to South Philadelphia with a variety of neighborhood stops at everything in between. Southeastern Pennsylvania Trolleys follows the history of the trolley cars that have served this diverse and historic region.

A television meteorologist in Columbus, Ohio, Gelber offers a comprehensive source of historical weather events in Pennsylvania in hopes that it will provide a chronological database with sufficient information and sources for others to document past weather events in their own communities. Annotation copyrighted by Book News, Inc., Portland, OR.

This book provides a single-source for projectile points in the literature of American archeology. Its purpose is to provide a quick lookup for point types; the user then utilizes the basic references that are provided for more research information, point comparisons, data, distributions, etc.

Short papers describing results of recent geologic investigations.