pl23_theb1140.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23theb1140jpgDescription
Stone marking end of comparator, a 100-meter very stable short base line.Comparator was used to calibrate and intercompare various measuring instruments. This comparator was at Shelton, Nebraska, near Station Shelton East Base.Fig. No. 2, Appendix No. 3, Report of Superintendent ... 1901, p. 244
Display Date
1901
Location
Nebraska, Shelton
Collection
Historic Coast & Geodetic Survey
Keywords
Geodesy
Base Line