Colo. Rev. Stat. » Title 34
Colorado Revised Statutes

Colo. Rev. Stat. § 34-1-304 (2026)

Master plan for extraction

✓ current as of July 2026
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(1) The county planning commission for unincorporated areas and for cities and towns having no planning commission or the planning commission for each city and county, city, or town, within each populous county of the state, shall, with the aid of the maps from the study conducted pursuant to section 34-1-303, conduct a study of the commercial mineral deposits located within its jurisdiction and develop a master plan for the extraction of such deposits, which plan shall consist of text and maps. In developing the master plan, the planning commission shall consider, among others, the following factors:

(a) Any system adopted by the Colorado geological survey grading commercial mineral deposits according to such factors as magnitude of the deposit and time of availability for and feasibility of extraction of a deposit;

(b) The potential for effective multiple sequential use which would result in the optimum benefit to the landowner, neighboring residents, and the community as a whole;

(c) The development or preservation of land to enhance development of physically attractive surroundings compatible with the surrounding area;

(d) The quality of life of the residents in and around areas which contain commercial mineral deposits;

(e) Other master plans of the county, city and county, city, or town;

(f) Maximization of extraction of commercial mineral deposits;

(g) The ability to reclaim an area pursuant to the provisions of article 32 of this title; and

(h) The ability to reclaim an area owned by any county, city and county, city, town, or other governmental authority or proposed, pursuant to an adopted plan, to be used for public purposes by such a governmental authority consistent with such proposed use.

(2) A planning commission shall cooperate with the planning commissions of contiguous areas and the mined land reclamation board created by section 34-32-105 in conducting the study and developing the master plan for extraction.

(3) (a) A county planning commission shall certify its master plan for extraction to the board of county commissioners or the governing body of the city or town where the county planning commission is acting in lieu of a city or town planning commission. A planning commission in any city and county, city, or town shall certify its master plan for extraction to the governing body of such city and county, city, or town.

(b) After receiving the certification of such master plan and before adoption of such plan, the board of county commissioners or governing body of a city and county, city, or town shall hold a public hearing thereon, and at least thirty days' notice of the time and place of such hearing shall be given by one publication in a newspaper of general circulation in the county, city and county, city, or town. Such notice shall state the place at which the text and maps so certified may be examined.

(4) The board of county commissioners or governing body of a city and county, city, or town may, after such public hearing, adopt the plan, revise the plan with the advice of the planning commission and adopt it, or return the plan to the planning commission for further study and rehearing before adoption, but, in any case, a master plan for extraction of commercial mineral deposits shall be adopted for the unincorporated territory and any city and county, city, or town in each populous county of the state on or before July 1, 1975.

Source: L. 73: p. 1047, § 1. C.R.S. 1963: § 92-36-4. L. 75: (1)(h) added, p. 1336, § 1, effective June 29. L. 77: (2) amended, p. 289, § 67, effective June 29.

Cross references: For establishment and functions of a county planning commission, see § 30-28-133.

Notes of Decisions
Cited in 7 cases, 1983–2009 · leading case: Colorado State Bd. of Land Commissioners v. Colorado Mined Land Reclamation Bd., 809 P.2d 974 (Colo. 1991).
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Colorado State Bd. of Land Commissioners v. Colorado Mined Land Reclamation Bd., 809 P.2d 974 (Colo. 1991). · cites it 6× “(1984), for example, states that the Reclamation Board “shall not grant a permit in violation of city, town, county, or city and county zoning or subdivision regulations or contrary to any master plan for extraction adopted pursuant to section 34-1-304 unless a prior declaration…”
Colorado Mining Ass'n v. Bd. of Cnty. Commissioners of Summit Cnty., 199 P.3d 718 (Colo. 2009). · cites it 4× “The first section, which predates the 1993 amendments, provides: The operator shall be responsible for assuring that the mining operation and the postmining land use comply with city, town, county, or city and county land use regulations and any master plan for extraction…”
Cottonwood Farms v. Bd. of Cnty. Commissioners, 725 P.2d 57 (Colo. Ct. App. 1986). · cites it 2× “Thereafter, as required by § 34-1-304, C.R.S., the county in 1977 adopted a mineral extraction policy plan, including a map showing the mineral deposits on this site to be of “good quality,” the highest grade allocated to any deposit.”
Colorado Mining Ass'n v. Bd. of Cnty. Commissioners, 170 P.3d 749 (Colo. Ct. App. 2007). · cites it 2× “The operator shall be responsible for assuring that the mining operation and the postmining land use comply with city, town, county, or city and county land use regulations and any master plan for extraction adopted pursuant to section 34-1-304[, C.R.S.2006,] unless a prior…”
Grynberg v. City of Northglenn, 739 P.2d 230 (Colo. 1987). “§ 34-1-304. County governmental authorities are forbidden to zone, rezone, grant a variance or in any way to prevent the use of any area known to contain a commercial mineral deposit in a manner that would interfere with the present or future extraction of such deposit by an…”
Hudspeth v. Bd. of Cnty. Com'rs of Routt, 667 P.2d 775 (Colo. Ct. App. 1983). “By the same token, because the policies expressed in the “unofficial” master plan were consistent with § 34-1-304, C.R. S.1973, we agree with the trial court’s con- *779 elusion that informal consideration of those guidelines was not an abuse of discretion.”
Cottonwood Farms v. Bd. of Cnty. Commissioners, 763 P.2d 551 (Colo. 1988). “See § 34-1-304, 14 C.R.S. (1984). However, it is uncontroverted that since 1955 the property in question has been continuously subject to the same zoning classification — Agricultural-One.”
— Colo. Rev. Stat. § 34-1-304(1) — 1 case
Colorado State Bd. of Land Commissioners v. Colorado Mined Land Reclamation Bd., 809 P.2d 974 (Colo. 1991). “(1984), for example, states that the Reclamation Board “shall not grant a permit in violation of city, town, county, or city and county zoning or subdivision regulations or contrary to any master plan for extraction adopted pursuant to section 34-1-304 unless a prior declaration…”
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