Colorado § 38-52-105 - Colorado coordinate system origins defined.
Full text of Colorado Colorado Revised Statutes § 38-52-105 — Colorado coordinate system origins defined., with citation guidance and answers to common questions.
§ 38-52-105. Colorado coordinate system origins defined.
(1) For the purposes of more precisely defining the Colorado coordinate system of 1927, the following definitions by the United States coast and geodetic survey (now the national ocean survey/national geodetic survey) are adopted:
(a) The "Colorado coordinate system of 1927 north zone" is a Lambert conformal conic projection of the Clarke spheroid of 1866, having standard parallels at north latitudes 39 degrees 43 minutes and 40 degrees 47 minutes along which parallels the scale shall be exact. The origin of coordinates is at the intersection of the meridian 105 degrees 30 minutes west of Greenwich and the parallel 39 degrees 20 minutes north latitude. This origin is given the coordinates: x - 2,000,000 feet and y - 0 feet.
(b) The "Colorado coordinate system of 1927 central zone" is a Lambert conformal conic projection of the Clarke spheroid of 1866, having standard parallels at north latitudes 38 degrees 27 minutes and 39 degrees 45 minutes north latitude along which parallels the scale shall be exact. The origin of coordinates is at the intersection of the meridian 105 degrees 30 minutes west of Greenwich and the parallel 37 degrees 50 minutes north latitude. This origin is given the coordinates: x - 2,000,000 feet and y - 0 feet.
(c) The "Colorado coordinate system of 1927 south zone" is a Lambert conformal conic projection of the Clarke spheroid of 1866, having standard parallels at north latitudes 37 degrees 14 minutes and 38 degrees 26 minutes along which parallels the scale shall be exact. The origin of coordinates is at the intersection of the meridian 105 degrees 30 minutes west of Greenwich and the parallel 36 degrees 40 minutes north latitude. This origin is given the coordinates: x - 2,000,000 feet and y - 0 feet.
(2) For the purposes of more precisely defining the Colorado coordinate system of 1983, the following definition by the national ocean service/national geodetic survey is adopted:
(a) The "Colorado coordinate system of 1983 north zone" is a Lambert conformal conic projection of the North American datum of 1983, having standard parallels at north latitude of 39 degrees 43 minutes and 40 degrees 47 minutes along which parallels the scale shall be exact. The origin of coordinates is at the intersection of the meridian 105 degrees 30 minutes west of Greenwich and the parallel 39 degrees 20 minutes north latitude. This origin is given the coordinates: x - 914,401.8289 meters and y - 304,800.6096 meters.
(b) The "Colorado coordinate system of 1983 central zone" is a Lambert conformal conic projection of the North American datum of 1983, having standard parallels at north latitudes 38 degrees 27 minutes and 39 degrees 45 minutes along which parallels the scale shall be exact. The origin of coordinates is at the intersection of the meridian 105 degrees 30 minutes west of Greenwich and the parallel 37 degrees 50 minutes north latitude. This origin is given the coordinates: x - 914,401.8289 meters and y - 304,800.6096 meters.
(c) The "Colorado coordinate system of 1983 south zone" is a Lambert conformal conic projection of the North American datum of 1983, having standard parallels at north latitudes 37 degrees 14 minutes and 38 degrees 26 minutes along which parallels the scale shall be exact. The origin of coordinates is at the intersection of the meridian 105 degrees 30 minutes west of Greenwich and the parallel 36 degrees 40 minutes north latitude. This origin is given the coordinates: x - 914,401.8289 meters and y - 304,800.6096 meters.
Source: L. 88: Entire article R&RE, p. 518, § 32, effective July 1.
Editor's note: This section is similar to former § 38-52-105, as it existed prior to 1988.
Source: official Colorado text · Last verified 2026-08-27
Frequently Asked Questions About Colorado § 38-52-105
What does Colorado Revised Statutes § 38-52-105 cover?
Section 38-52-105 ("Colorado coordinate system origins defined.") is part of the Colorado Revised Statutes, the codified statutory law of Colorado. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite Colorado § 38-52-105?
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Is this the official text of Colorado law?
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