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Richard Whelton, rwhelton@firstam.com
Telephone
301-434-1994 (during season)
Postal address
P.O. Box 95
Riverdale , MD 20738
Pool address
9442 Riggs Road
Hyattsville, MD 20783
Electronic mail
General Information: Karen Prestegaard, Director of Membership, kpresto@geol.umd.edu
Web Administrator: Don Badrak, dbadrak@gmail.com