Some years ago a friend calculated some building dimensions from
photos using a program called PhotoModeler, used heavily by RR
modelers. It seemed to produce very consistent and credible
results. www.photomodeler.com/
Patrick E. Martin
Professor of Archaeology
Department of Social Sciences
Michigan Technological University
Houghton, MI 49931
phone 906-487-2070,email [log in to unmask]
www.industrialarchaeology.net