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Dr Charles L. WALTHALL


Dr Charles L. WALTHALL
USDA Agricultural Research Service (ARS)
Remote Sensing Research Laboratory

116 Bldg
BARC-West
MD 20705 BELTSVILLE
USA

Tel  1 301 504 6074
Fax  1 301 504 5031
E-mail: cwalthal@asrr.arsusda.gov

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