Gilbert, Douglas R., “Pipeline installation, Holland, MI,” Digital Collections, accessed December 14, 2025, https://digitalcollections.library.gvsu.edu/document/53141.
Black and white photograph of a pipeline installation in Holland, Michigan, on September 13, 1962. In the photograph, a group of working gentleman can be seen standing along the pipeline among a wooded landscape, with a man on a Caterpillar machine working alongside it. Scanned from the negative.