This cache is part of the Linn Creek Trail: Marshalltown History series. Follow the bike trail to a series of caches highlighting prominent figures in Marshalltown history. Each cache will require you to leave the trail and search for a hidden cache. The caches in this series vary in difficulty and terrain.
Noel Thomas Keen(1940-2002)
Noel Keen, plant physiologist, was born in Marshalltown, Iowa and grew up on a farm, attending a rural school. Keen attended Iowa State University where he earned both his bachelor's and master's degrees. He was awarded his Ph.D. from University of Wisconsin–Madison. Noel began teaching at University of California, Riverside (UCR) in 1968.
In 1995 Keen was awarded the American Phytopathological Society's annual award and was elected to the National Academy of Sciences in 1997. The Society awards an annual cash prize in Keen's name for "research excellence in molecular plant pathology. In 2003 University of California, Riverside named their renovated bio-agricultural library Noel T. Keen Hall. Keen Hall houses UCR's stem cell research center.
https://en.wikipedia.org/wiki/Noel_T._Keen
Do not cross the fence! The cache is not near the RR tracks.