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