Robert K. Swarthout, Incorporated, “The Highland Charter Township Comprehensive Plan,” Digital Collections, accessed April 2, 2026, https://digitalcollections.library.gvsu.edu/document/54721.
The Highland Charter Township Comprehensive Plan was prepared by Robert K. Swarthout, Incorporated and Gerald Luedtke and Associates. The balance of the Comprehensive Plan became effective January 13, 1983.