Classification and mapping of coal refuse, vegetative cover types, and forest types by digital processing ERTS-1 data
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Borden, F. Y.↗
Engineering topics
Thompson, D. N.
Publications and source records attributed to Thompson, D. N..
Mapping of anthracite refuse
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Mcmurtry, G. J.↗
Identification and Mapping of Coal Refuse Banks and Other Targets in the Anthracite Region
Identification and mapping of coal refuse banks and other targets in anthracite region of Pennsylvania
Borden, F. Y.↗
Identification and mapping of coal refuse banks and other targets in the anthracite region
ERTS-1 MSS data covering parts of Pennsylvania's southern and eastern middle anthracite coal fields were studied to determine how well accumulations of coal refuse could be identified and mapped by computer analysis and processing. Spectral signatures of coal refuse targets were similar to water, but had higher reflectances in all channels. Relative reflectances were in the order 4 5 or = 6 7. Although no underflight photography was at hand to judge mapping success, correlation was made, with 1:24,000 scale U.S.G.S. maps dated 1947 and 1948. Coal refuse targets correlated well with existing maps.
Borden, F. Y.↗