2.1 Photographic Data- Electromagnetic Energy Humans see features or objects by reflected sunlight by day and by artificial light sources by ... Photographic systems (combinations oUilms, filters, and cameras) used for surface mine analysis commonly record reflected ... Q, . ^. r. X. ^ % Figure 2.1-1 The Electromagnetic Spectrum ground surface, to local conditions such as humidity and cloudiness, and toanbsp;...
|Title||:||Low Altitude Photointerpretation Manual for Surface Coal Mining Operations|
|Author||:||Barry M. Evans, Jeffery R. Kern, Ronald W. Stingelin|