Abstract Wright L. Coffinberry (1807-1889) was an early settler in Grand Rapids (Mich.) and a self-taught civil engineer and archaeologist. Moving to Grand Rapids from Ohio circa 1848, he was responsible for a large number of additions platted for the city as well as several state road projects, principally the road from Kent County to Northport.The collection includes his autobiography, maps from his work as a civil engineer and various documents on the excavations of the Norton Mounds....