DescriptionNorthon86nearCambridgeSprings.jpg English: Looking northward along the eastern side of Pennsylvania Route 86 south of CambridgeSprings in Cambridge
Graduated from Cambridge High School in 1869. Conducted ornithological expeditions to the Gulf of St. Lawrence, Colorado, West Virginia and North Carolina mountains
fedlink; americana Accession number directoryofautho00gris Notes Copyright is on cover page. Authority file OCLC: 1156329029 Source Internet Archive identifier: