Level I Water Quality Inventory and Aquatic Biological Assessment of the Allegheny Portage Railroad National Historic Site and the Johnstown Flood National Memorial

This 'Level 1' water quality inventory was conducted for streams located within Allegheny Portage Railroad National Historic Site (ALPO) and Johnstown Flood National Memorial (JOFL), National Park Service (NPS) properties, from April 2004 to November 2004.