Education Alfred University, Geology, B.A., 1968 Boston University, Geology, M.A.,1972  Professional Experience Independent Research Geologist - January 2012-present - Projects include expert witness for US Department of Justice, US Environmental Protection Agency, Nevada DOT; Resource and marketing study of aggregates and other industrial minerals in the Gulf Coastal Plain. Freelance Writer - January 2012- present - Write monthly columns about geology for Aggregates Manager and for Quarry, Australia. USGS Research Geologist Emeritus - January 2012-Present - Studies of industrial minerals throughout the US Certified Professional Geologist (CPG- 11528) - AIPG - 2012 - Present Arizona Registered Geologist (RG- 56594) Senior Research Geologist, U.S. Geological Survey - 1971-2011 (retired) 1976-2011: USGS Senior Research Geologist for Aggregate Resources - Conducted research on geologic issues related to the location, identification, characterization, extraction and processing of aggregate (sand, gravel, and stone) resources, and the reclamation of mined out areas. 2002-2011: Senior Research Geologist for Geology of Industrial Minerals - Identified national needs related to industrial minerals and conducted research necessary to address those needs. 

1996-2001: Senior Research Geologist for the Front Range Infrastructure Resources Project. - Conducted research on the location and characteristics of aggregate, energy, land, and water resources that are vital to sustaining the Colorado Front Range area and its infrastructure and provided decision makers and the public with objective information about those resources in user- friendly formats. 1993-1996: Senior Research Geologist - Missouri River Basin Project. In collaboration with 10 State Geological Surveys, prepared a geologic map and identified regional earth-science issues within Missouri River basin, identified methods and established priorities to address those issues. 1981-1993: Research Geologist / Hydrologist - Conducted research and wrote initiatives and other documents addressing environmental geology, infrastructure, urban geology, and for nuclear waste disposal. 1978-1981: Geologist, Office of Land Information and Analysis - Coordinated interdisciplinary studies aimed at applying earth-science information to land-use problems, and conveying this information to users. 1971-1978: Geologist - Conducted surficial geologic mapping in Connecticut, New Hampshire, and Virginia. Prepared geologic maps, engineering geology reports, and derivative maps, and conducted outreach activities for Connecticut Valley and Fairfax County, Virginia, Urban Studies. United States Army - 1969-1971 2nd/1st Lieutenant, US Army. Fort Riley, Kansas and Republic of Vietnam. Honorable discharge. Recipient of Bronze Star Medal.

Society for Mining, Metallurgy, and Exploration (SME) 1995-Present Chair of the SME Industrial Minerals and Aggregates Division (IM&AD) (2008), Chair Elect (2007), and Secretary/Treasurer (2006), Division Program Chair (2005), and session chair at the 2007 and 2010 Annual Meetings. Co-convener of the 2nd Dreyer Conference on the Geology and Markets for Value-Added Carbonate Minerals. Recipient of the Hal William Hardinge Award for outstanding contributions to the industrial minerals industry and the A. Frank Alsobrook Distinguished Service Award. Served or serving on various committees. Member, Maricopa County, Arizona Chapter of SME. International Association of Engineering Geologists Commission No. 17 on Aggregates 2000-2011- Member American Society of Testing and Materials (ASTM) 1995-2006 Member – Committee C09 on concrete and Concrete Aggregates, and Committee D04 on Road and Paving Materials. American Society of Testing and Materials (ASTM) 1995-2006 Member – Committee C09 on concrete and Concrete Aggregates, and Committee D04 on Road and Paving Materials. American Institute of Professional Geologists (AIPG) 2012-Present  Certified Professional Geologist (CPG- 11528) - Member Arizona Registered Geologist - 56594