Scope and Contents The notebook is a Eugene Dietzgen Co. Engineers’ Field Book containing printed charts and diagrams useful in surveys in addition to lined and graph pages containing field notes by an unidentified surveyor. The notebook pages are numbered. There is a handwritten note on the front cover: “Boonslick Road Survey Notes 1930.” Dates included within the notes for projects in St. Charles County span from May 1930 to September 1937. There are several...