SP-399 SKYLAB EREP Investigations
Summary
FlGURE 6-19.-Forest-stand maturity
analysis of a wood and area in Mahoning County, Ohio. (a) Aircraft
photograph of a 52-hm2 area containing
medium to small saw timber. (From stereographic analysis.) (b) S190B
photograph (Infrared-sensitive layer only) of area in figure 6-19(a).
(c) image enhancement of S19OB photograph showing area in figures
6-19(a) and 6-19(b). Red indicates medium saw timber, green indicates
pole and small saw timber, and blue indicates brush and open
fields.
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