Nova Award winning innovations in construction are described at http://www.cif.org/1prenova.htm with 500 other construction innovations.
http://www.ironshots.com has photos of dinosaurs and prehistoric animals.
Galleries of the Historical Construction Equipment Association, http://www.HCEA.net have many photos of vintage construction equipment.
Visit homepage of this site's photographer and web master, Robert I. Carr, PhD, PE, at http://www.RICarr.com.
Ann Arbor Kiwanis at http://www.aakiwanis.org
Kiwanis Sale at http://www.myannarbor.net/kiwanis