Grant from Iowa Digital Humanities
Acknowledgements: Jon Winet, Mark F. Anderson of the Digital Initiatives staff
Rebecca Sexton did a tremendous job determining the location of most of the photos creating photo catalogs
Dominique Alhambra
the staff of the OSA , especially John Doershuk, Steve Lensink, Melody Pope, and all the field technicians.
I have included about 10 photos taken by Adam Newman and Carrie Christman of Milo and Winterset, Iowa, since they were nice enough to take them on my behalf.