^"Monument Creek". US Geographic Names Information System, US Geological Survey, US Department of Labor. October 13, 1978. Retrieved January 11, 2015. This article incorporates text from this source, which is in the public domain.
^"Search: Monument Creek". Watershed Assessment, Tracking & Environmental Results. US Environmental Protection Agency. Retrieved January 11, 2015. This article incorporates text from this source, which is in the public domain.