The brown hematite iron ore banks of that part of Nittany valley called Warrior's Mark valley, Half Moon valley and Spruce Creek valley, in Huntingdon and Centre counties, Pennsylvania
Subtitle: owned by Lyon, Shorb & co., Pittsburgh, Pa
By: By J.P. Lesley ...
Publisher: McCalla & Stavely, prs.
Published: 1874
Place of publication: Philadelphia
Language: eng
Number of pages: 99
Subjects: Iron mines and mining; Iron ores; Hematite