1. Effect of climate on development of two Sphagnum bogs in southcentral Wisconsin.;Winkler,1988
2. History of hemlock looper, Lambdina fiscellaria fiscellaria (Guen.), (Lepidoptera: Geometridae).;Carrol,1956
3. A postclacial history of vegetation and bog formation at Point Escuminac, New Brunswick.;Warner,1991
4. The chesnut pollen decline as a time horizon in lake sediments in eastern North America.;Anderson,1974
5. Extended 14C data base revised Calib 3.0 14C age calibration program.;Stuiver,1993