Greg Brick

Greg Brick Ph.D. was employed as a hydrogeologist at several environmental consulting firms and has taught geology at local colleges and universities. He mapped thousands of springs around the state for the Minnesota Spring Inventory at the Department of Natural Resources. His books include Iowa Underground, Minnesota Underground, Minnesota Caves, and Subterranean Twin Cities.

St. Paul’s ‘Biblical’ Flood: The Story of Highland Creek

Greg Brick • January 25, 2024

According to Dakota legend, Minnesota was once the scene of a big flood. One of those floods made Highland Creek the highest volume stream in prehistoric St. Paul.

Fig. 1. “Fountain Cascade, near St. Paul,” stereoscopic view by W. H. Illingworth, circa 1875. This likely depicts the feature that gave Cascade Creek and Cascade Street their names. At the upper left, an outcrop of Platteville Limestone is visible. Photo courtesy of Minnesota Historical Society.

“An Eruption of Springs”: The Diverting Story of Cascade Creek

Greg Brick • September 7, 2022

Cascade Creek was named after a waterfall in the W 7th St neighborhood of St. Paul. The stream was most famously associated with Ayd Mill.