Fremont Ackerman worked as an engineer for the Northern Pacific Railroad Company in Montana. He later established his own business as a civil engineer and surveyor in the Southern California area. The collection consists of field books, maps, drawings, correspondence, and business papers related to Fremont Ackerman's work with the construction of the Northern Pacific Railroad in Montana and his activities as a civil engineer and surveyor in the Los Angeles region.

Ackerman graduated from Ohio State University in 1883; worked as an engineer for the Northern Pacific Railroad Company in Montana; moved to Los Angeles, California, and established his own business as a civil engineer and surveyor in the Southern California area.

1 unknown (62 boxes and 4 oversize boxes)

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