This map documents known historic aerial photography holdings for each of Pennsylvania's 67 counties. The information itself comes from the USDA and holdings of the individual counties based upon a survey conducted during Summer 2017.At the county level, aerials are mainly found in the GIS, Planning Commission, or Tax Assessment Office. This listing is currently incomplete and can be added to by contacting UL-maps@lists.psu.edu

A structures (2016) from the USGS with added county information from the PA Counties shapefile from the PA Department of Transportation. This map was created by joining the county information to the structures point data and then overlaying over the counties layer for additional context. The structures layer is searchable by county. The purpose of this map is to enhance the use of these features when seeking information and context on Pennsylvania area. Structures from the USGS: STRUCT_42_Pennsylvania_GU_STATEORTERRITORY.zip: USGS, Website with Staged Products DirectoryMore information on the National Structures Dataset: Structures Data Model and code descriptionNational Structures Dataset FeaturesTypes of structures included: School, College/University, Fire Station/EMS Station, Law Enforcement, Prison/Correctional Facility, State Capitol, Hospital/Medical Center, Ambulance Services, Cemetery, and Post OfficeCounty Data distributed from PASDA, created by the PA Department of TransportationInstructions for filtering structures: 1. Hover over the layer of interest: PA structure with Counties) or Type classification (FTYPE Field)2. Click the filter icon (last icon) (appears as a funnel with yellow background)3. In the filter screen, select from the dropdown field of interest and create statement to filter only specified structures.

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A cooperative effort of the Governor’s Office of Administration and Pennsylvania State University Pennsylvania Spatial Data Access (PASDA) is Pennsylvania’s official public access open geospatial data portal. PASDA was developed in 1997 and has severed as the Commonwealth’s geospatial data portal for over 25 years; it is Pennsylvania’s node on the National Spatial Data Infrastructure and is integrated with the National State Geographic Information Council GIS Inventory. Data on PASDA is free to all users and is provided by federal, state local and regional governments, non-profit organizations and academic institutions.

This map contains the scan of an aerial image donated to the Donald W. Hamer Center for Maps and Geospatial Information at Penn State University by the PA state geological library from the Susquehanna River Basin Commission. Please contact ul-maps@lists.psu.edu for more information.

The Sanborn Fire Insurance Company was established to aid in assessing the risk of insuring properties. Sanborn maps provide a wealth of additional information such as the footprint/size, number of floors, roofing materials, amenities, business types/land uses, etc. Pennsylvania State University owns and has digitized approximately 30,000 sheets of Sanborn maps depicting towns and cities across the state of Pennsylvania.

Penn State Library's digital collection for the State College area: Digital Collection

This project is a collaboration between the Donald W. Hamer Center for Maps and Geospatial Information, Eberly Family Special Collections Library, and the Preservation, Conservation, and Digitization department at Penn State University Libraries.

Work was completed by interns supported by the Bednar Internship program at the University Libraries.

This map contains the scan of an aerial image donated to the Donald W. Hamer Center for Maps and Geospatial Information at Penn State University by the PA state geological library from the Susquehanna River Basin Commission. Please contact ul-maps@lists.psu.edu for more information.

This Story Map includes examples of WWII OSS maps, of which were scanned by the Penn State University Libraries Donald W. Hamer Center for Maps and Geospatial Information. A selection of maps were also reviewed for key information and content was digitized from georeferenced maps. See the OSS WWII maps from the Penn State Donald W. Hamer Maps and Geospatial Information Center on this site.For more information on the Donald W. Hamer Center for Maps and Geospatial Information, please visit their website. Email contact: ul-maps@lists.psu.edu.

This map contains the scan of an aerial image donated to the Donald W. Hamer Center for Maps and Geospatial Information at Penn State University by the PA state geological library from the Susquehanna River Basin Commission. Please contact ul-maps@lists.psu.edu for more information.

This map contains the scan of an aerial image donated to the Donald W. Hamer Center for Maps and Geospatial Information at Penn State University by the PA state geological library from the Susquehanna River Basin Commission. Please contact ul-maps@lists.psu.edu for more information.

The Donald W. Hamer Center for Maps and Geospatial Information promotes and facilitates the use of maps and geospatial information in research, teaching, and learning at Penn State. We are located in the basement of the Central Pattee Library on the University Park campus!The Center's space has a public service desk staffed with student personnel who can answer basic questions during open business hours. Appointments are also available for a more in-depth research consultation.

This map contains the scan of an aerial image donated to the Donald W. Hamer Center for Maps and Geospatial Information at Penn State University by the PA state geological library from the Susquehanna River Basin Commission. Please contact ul-maps@lists.psu.edu for more information.

This map contains the scan of an aerial image donated to the Donald W. Hamer Center for Maps and Geospatial Information at Penn State University by the PA state geological library from the Susquehanna River Basin Commission. Please contact ul-maps@lists.psu.edu for more information.

This map contains the scan of an aerial image donated to the Donald W. Hamer Center for Maps and Geospatial Information at Penn State University by the PA state geological library from the Susquehanna River Basin Commission. Please contact ul-maps@lists.psu.edu for more information.

This map contains the scan of an aerial image donated to the Donald W. Hamer Center for Maps and Geospatial Information at Penn State University by the PA state geological library from the Susquehanna River Basin Commission. Please contact ul-maps@lists.psu.edu for more information.

This map contains the scan of an aerial image donated to the Donald W. Hamer Center for Maps and Geospatial Information at Penn State University by the PA state geological library from the Susquehanna River Basin Commission. Please contact ul-maps@lists.psu.edu for more information.

The Sanborn Fire Insurance Company was established to aid in assessing the risk of insuring properties. Sanborn maps provide a wealth of additional information such as the footprint/size, number of floors, roofing materials, amenities, business types/land uses, etc. Pennsylvania State University owns and has digitized approximately 30,000 sheets of Sanborn maps depicting towns and cities across the state of Pennsylvania.

Penn State Library's digital collection for the State College area: Digital Collection

This project is a collaboration between the Donald W. Hamer Center for Maps and Geospatial Information, Eberly Family Special Collections Library, and the Preservation, Conservation, and Digitization department at Penn State University Libraries.

Work was completed by interns supported by the Bednar Internship program at the University Libraries.

This map contains the scan of an aerial image donated to the Donald W. Hamer Center for Maps and Geospatial Information at Penn State University by the PA state geological library from the Susquehanna River Basin Commission. Please contact ul-maps@lists.psu.edu for more information.

This map contains the scan of an aerial image donated to the Donald W. Hamer Center for Maps and Geospatial Information at Penn State University by the PA state geological library from the Susquehanna River Basin Commission. Please contact ul-maps@lists.psu.edu for more information.

The Sanborn Fire Insurance Company was established to aid in assessing the risk of insuring properties. Sanborn maps provide a wealth of additional information such as the footprint/size, number of floors, roofing materials, amenities, business types/land uses, etc. Pennsylvania State University owns and has digitized approximately 30,000 sheets of Sanborn maps depicting towns and cities across the state of Pennsylvania. Each Sanborn year’s corresponding sheets were referenced to the matching location and mosaicked together. Building footprints were manually digitized and building information was individually extracted to the attribute table. A code system was used to help guide a consistent format within the attribute fields across the different Sanborn sheets and years. Our code was created based on codes produced by Lancaster County, Pennsylvania. See site for more information on the development and categorization of the land use codes: Land Use Codes Scanned original Sanborn map files are available from the Pennsylvania State University Digital Collection: State College Sanborn MapsPenn State Library's digital collection for the State College area: Digital CollectionThis project is a collaboration between the Donald W. Hamer Center for Maps and Geospatial Information, Eberly Family Special Collections Library, and the Preservation, Conservation, and Digitization department at Penn State University Libraries.Work was completed by interns supported by the Bednar Internship program at the University Libraries.

This map highlights a selection of geographic areas from classes the Penn State Libraries working with course instructors to include a geospatial exercise and instruction session.