COH88 values that are determined from differential leveling surveys shall be known as “leveled COH88” values. COH88 values that are determined from GPS surveys and the appropriate application of a geoid model shall be known as “derived COH88” values.
Cal. Pub. Res. Code § 8894
California Orthometric Heights
Added by Stats. 2005, Ch. 158, Sec. 29.16
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.