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    Author(s): David A. Bernstein
    Date: 1961
    Source: PNW Old Series Research Note No. 212, p. 1-5
    Publication Series: Scientific Journal (JRNL)
    Station: Pacific Northwest Research Station
    PDF: View PDF  (670 KB)


    Aerial photo stereograms are valuable for showing neophyte photo interpreters the stereoscopic appearance of common objects and conditions. They are also useful for instruction in measuring heights, horizontal distances, and angles on photos. Collections of stereograms of known conditions are worthwhile reference material for interpretation work in unknown areas.

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    Bernstein, David A. 1961. An evaluation of lithographed forest stereograms. PNW Old Series Research Note No. 212, p. 1-5

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