JD Sparkill 1966 JD with Eclair camera JD at Lamont 1967
Sparkill, NY 1966
Rockland State Hosp., 1966
Lamont Geol. Obs., 1967
JD in a bar, Panama JD Welding JD & airgun fish
Panama, Jan 1968
R/V Conrad, 1968

R/V Conrad, 1968
JD on Conrad
JD on Conrad
 JD, Hotshots
R/V Conrad 1969
R/V Conrad 1969
McCall Idaho Hotshots '71
JD, Blauvelt
JD & OBH
 JD singapore
Blauvelt, NY 1975
R/V Conrad 2104, 1977
Conrad, Singapore, 1986
Leaving Singapore
Hudson River
 sonobuoy
Leaving Singapore 1986
Hudson River 1989
Ewing, Bering Sea 1994
Akaroa, NZ
R/V Conrad
 Ross Sea
Akaroa, New Zealand 2000
R/V CONRAD 1969
Ross Sea, Antarctica 2003