This monument is a pillar with 4 markers that represent the heights of the 50 year flood (a flood with 1 in 50 chance of occuring in a year), the 100 year flood ( a flood with a 1 in 100 chance of occuring in a year), the 500 year flood (a flood with a 1 in 500 chance of occuring in a year) and the height of the Big Thompson Flood that occured in 1976.
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| Artist | Unknown | |
| Collection | Boulder Creek | |
| Address | Between Broadway and 13th St along the Boulder Creek Path, Boulder, Colorado | |
| Artwork Type | Historic/cultural art, Monument | |
| Placement | Bike path, Park, Trail |
Boulder County Arts Alliance
2400 28th St. #103
Boulder, CO 80301
