, 2004. Volcanism in Eastern North America: A "Deep Time" Perspective. Members Update. 15, 7-8.
, 2009. Berne Earthquakes. Friends of Thacher and Thompsons Lake State Parks Newsletter. , 1.
, 2015. On a Winter’s Night, All the Ice Came Down (1916). Friends of Thatcher State Park. 19, 1.
, 2012. The Collapse of ’Chimney Rock’—The Cliffs in Action at Thatcher Park. Friends of Thacher and Thompsons Lake State Parks Newsletter. 16, 1.
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