His machines also use infra-red photography
, which is especially useful for farmers.
It uses optical and infra-red photography
, with the material beamed straight to the cockpit or back to HQ.
Category Description Source Aerial photography Black & white photography National Aerial for 1993 and 1998 Photography Project (NAPP)--distributed to field offices by NRCS Black & white photography Flown for USDA and for 1940 later digitally preserved by Illinois Department of Natural Resources Black & white photography Champaign County for 2002 Color-infrared photography Purchased by CCSWCD collected from 1984-1998 from local pilot Color infra-red photography
USDA-FSA flown in 2004 Cadastral USDA field and tract USDA-FSA boundaries Tax parcel center points Champaign County (tax parcel boundaries are Regional Planning pending) Commission Sections, townships, and Digitized by CCSWCD to county boundary match NAPP photography.
Research can be art historical - recent exhibitions have rescued from comparative obscurity the fascinating career of Thomas Jones, whose paintings and memoirs provide a unique record of an 18th century artist's life, and the Welsh seascapes of the Pre-Raphaelite painter John Brett - or it can be technical, using modern analytical techniques, such as x-ray and infra-red photography
, to reveal how an artist actually worked.