Open-File Report 2014–1020
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Conversion Factors and Datum
Horizontal coordinate information is referenced to the North American Datum of 1927 (NAD 27). *Transmissivity: The standard unit for transmissivity is cubic foot per day per square foot times foot of aquifer thickness [(ft3/d)/ft2]ft. In this report, the mathematically reduced form, foot squared per day (ft2/d), is used for convenience. |