Attached to this post is an HGIS project file suitable for performing analysis on the Phoenix Indian School site using GIS. The project file is in the QGIS format and can be opened using the open source QGIS software. The project file covers the time period from 1930 to 1979 and includes aerial photography layers. The project file was created by Michael Embry.
Here is a link to the QGIS project file: Final Map Project.qgs