AGENCY: Salt Lake City (Utah). Police Department

SERIES: 7422
TITLE: Manual grid map extract files
DATES: 1976-
ARRANGEMENT: Alphabetical by subject

DESCRIPTION: These files contain data based on the grid summaries showing special patterns of particular events or types of crimes through selected time periods.

RETENTION

Permanent. Retain for 55 year(s)

DISPOSITION

Transfer to Archives.

RETENTION AND DISPOSITION AUTHORIZATION

These records are in Archives' permanent custody.

APPROVED: 08/1987

FORMAT MANAGEMENT

Paper: Retain in Office for 25 years and then microfilm and destroy provided microfilm has passed inspection.

Microfilm master: Retain in Office for 55 years and then transfer to State Archives.

APPRAISAL

Administrative Historical

This retention is based upon the administrative needs expressed by the division. These files are used to determine trends in criminal activity and to project manning needs. Such studies are ongoing and need to be kept for extended periods. They have also proven to be very valuable in historic research.