5 Shortz-era entries found. Click any date for context.
|Tuesday, November 26, 2013||37D||Transitional zone between plant communities||Don Gagliardo and Zhouqin Burnikel|
|Saturday, July 9, 2011||34D||Environmental transition area||Caleb Madison|
|Saturday, January 10, 2009||37A||Area between forest and prairie, e.g.||Bob Klahn|
|Sunday, February 25, 2007||88D||Transitional land zone||David J. Kahn|
|Saturday, May 11, 1996||2D||Transition zone between plant communities||D. Niles|
1 result for ECOTONE from older pre-Shortz puzzles.
|Saturday, March 11, 1989||10D||Transition zone between two plant communities||Bernard Meren||Maleska|