By Tara Anthony, Penn State University Libraries The BTAA Geoportal includes historic aerial photography records that span institutions. This post focuses on searching and locating aerial photography records in the BTAA Geoportal with a focus on Pennsylvania historical aerial photography collections. Overview of h istoric aerial photos in the BTAA Geoportal A search for aerial photo yields 1, 701 records (as of October 2023) with a h igher p ortion of records seen from Pennsylvania, followed by Wisconsin, Minnesota, Ohio, Illinois, Nebraska, and New Jersey . The time period of the aerial photo re cords l o cated is from the present back to the 1900 -1949 time period , with the most records present in the 1950 to 1999 time per iod . A highlight of some resources wi ll be pr ovide...
Exploring geospatial resources: Discover collection highlights, dive into historical map interpretations, uncover the value of unique datasets, hear from data providers, and stay updated on geospatial collection processing across BTAA institutions.