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Increasing demands on earth resources require the need to know how much resource is present. A new technology, which is developing partially with the support of the National Aeronautics and Space Administration, will help to inventory and monitor surface re-sources in a more comprehensive manner than previously possible. Research in southeastern Arizona for the past six years has been developing methodology that would permit the use of space and high altitude imagery for natural vegetation and related resource investi-gations. This paper reports on three meaningful research contributions in remote sensing of natural vegetation. They are (1) a natural vegetation classification suitable for remote sensing use, (2) a technique for objectively comparing space imagery for relative information content, and (3) a sample scheme for using small scale photography to identify and estimate areas of vegetation types