Land Use
Aerial photo of the State College area, 1971
- 2007 Centre County Census profile documentFor agricultural use statistics.
- Penn Pilotan online library of digital historical aerial photography for the Commonwealth of Pennsylvania.
Soils
- Soil survey of Centre County, Pennsylvania byCall Number: S599.A11.P4C42 1981Publication Date: 1981Soil types, formations, use, and management.
- Soils and geology of Nittany Valley byCall Number: S108.P4A3 no.64Publication Date: 1980Prehistoric and historic habitation of area, vegetation and soil types, and geology of the area.
- USDA Web Soil SurveyAlso try the USDA Web Soil Survey site for more data.