The Tyrone Township Master Plan was prepared by the Livingston County Planning Department and was adopted by the Tyrone Township Planning Commission on June 11, 1985.

The Tyrone Township Comprehensive Plan was prepared by the Tyrone Township Planning Commission and Board with assistance from the Planning & Zoning Center, Inc. and was published on October 25, 1993.

The Putnam Township Master Plan was prepared by the Putnam Township Planning Commission with assistance from Carlisle/Wortman Associates, Inc. and was adopted on May 8, 1996.

The Hamburg Township Master Plan was prepared by the Hamburg Township Planning Commission and Ayres, Lewis, Norris & May, Inc. and was approved by the Hamburg Township Board on November 26, 1979.

The Green Oak Township Master Plan was prepared by the Green Oak Township Board and Planning Commission, with assistance from Carlisle/Wortman Associates, Inc. The Master Plan was adopted on December 18, 1997 and was revised and re-adopted July 8,…

The Comprehensive Development Plan 1990 for Green Oak Township was prepared by Parkins, Rogers & Associates, Inc. and presented to the Green Oak Township Board and Planning Commission on December, 15, 1971.

The Deerfield Township Comprehensive Plan was prepared by the Deerfield Township Planning Commission and Township Board of Trustees with assistance from the Planning & Zoning Center, Inc. and Landplan, Inc.

The Land Use Master Plan Report for Cohoctah County was prepared by the Township Board and Planning Commission with the assistance of Robert B. Hotaling, Jeanne B. Hotaling, and Philip D. Gardner in November 1987.

The Comprehensive Development Plan for Brighton Township was prepared by Brandon M. Rogers & Associates in June 1991 with assistance from the Brighton Township Planning Commission