AGENCY: Department of Natural Resources. Geological Survey
SERIES: 2868
TITLE: Investigation reports
DATES: 1963-
ARRANGEMENT: Numerical by report number
DESCRIPTION: The investigation reports are usually in response to requests from state agencies. These reports contain an introduction, background and purpose, location and geological setting, scope of work, study methods, interpretations, conclusions, references, charts and maps.
RETENTION
Permanent. Retain until administrative need ends
DISPOSITION
May Transfer to Archives.
RETENTION AND DISPOSITION AUTHORIZATION
These records are in Archives' permanent custody.
FORMAT MANAGEMENT
Paper: Retain in Office until administrative need ends and then transfer to State Archives with authority to weed.
Microfilm master: Retain in State Archives permanently with authority to weed.
Microfilm duplicate: Retain in State Archives permanently with authority to weed.
Microfiche master: Retain in State Archives permanently with authority to weed.
Microfiche duplicate: Retain in State Archives permanently with authority to weed.
APPRAISAL
Administrative Historical
Disposition based on value of these investigative reports which provide detailed studies on issues. Most of the studies are in response to requests from state agencies.
PRIMARY DESIGNATION
Public