Year	Bill No.	Sponsor	Drafted By	Comments
1859				Jefferson Territory
1861				Territory of Colo. - Surveyor General Provided by Federal Act; Co. Surveyor Provided by General Laws - no pay mentioned.
1864				Subdivision of Sections - Co. Surveyor's chainmen - use of true meridian.
1865				Counties to Copy Original field notes and plats.
1868				Previous Provisions Codified
1876				State Created - Co. Surveyor to be elected - 2 yr. term, still no mention of pay.
1877				Previous laws confirmed - also Co. Surveyor to resolve boundary problems.  No Pay!  "Emergency" declared because of lost monuments; roads to be "viewed" and surveyed.  Surveyor to receive $10 for report and plat.
1902				Denver City Engineer becomes ex officio Co. Surveyor.
1907	S 179	Bardwell		Procedure for Boundary Disputes; Conflicts with 1877 method.
1919	S 339	Knauss		First Engr. Res. Law - Board to be nominated by Engineers.  Board could limit any license to "Surveying"
1921	S  87	Renshaw		1919 Law Repealed, new board for "Engineers and Land Surveyors, Land Surveying defined, licensed Engineers could make land Surveys.
1927	S 298	Arthur		Engineering defined - no mention of "Surveying".
1951	H  10	Dameron	P.E.C. ?	Reenactment of PE-LS Reg. Law.  E.I.T. added.  Surveying not mentioned in Def. Of Engr. -P.E. Defined - Def. Of Land Surveying modified.
1953				Prouty - Heron Case (Supreme Court) No. 16590
	H 184	Best	P.E.C.?	New P.E. law created.  No mention of Surveying. (L.S. created by Revisor of Statutes.)
1959	H 271	Dameron Fenwick	P.E.C.?	Def. of P.E. includes "Surveying and Mapping and Supervision of Construction….."
1963	H 74	Mackie	C.S.E.	Record all Monument Locations.
	H 75	"	"	Co. Surv. Registered - Permissive duties
	H 76	"	"	Lost, P.E. opposition; would have excluded L.S. from Definition Of Engineer
				Two members of Board to be L.S. also.
	H 120	"	"	Written test for L.S. (no time specified); subjects defined.
1965	S 128	Hewett	C.D.H.?	Lost, Right of Entry (Govt. only.)
	H 1398	Mackie		Lost, would have limited P.E. to 'Engineering Surveying and Mapping"
	H 1378	Fentress	P.E.C.	New P.E. Law.  Amended en route to not "affect ….. Land Surveying ….."
	H 1157	Mackie	C.S.E.	Lost, separate L.S. Board; State Plane Coordinates.
1967	H 1225	Mackie	P.L.S.C.	PE-LS Board; new Def. Of L.S.; 2 P.E./L.S. on Board; 2, 8-Hr. tests; repealed H.B. 74 (1963); Mon. and Plat Stds.; Monument Records; State Plane Coordinates
1969	H 1301	Edmons	P.L.S.C.	Lost, Sep. Board; State Surveyor; Right of Entry.
1971	?	Schieffelin		Land Use Commission & Regs.
1972	S 35	Schieffelin		Cnty. and regional planning; subdivision regs.; 35-acre exemption
1973	S 153	Taylor		Cnty. Surveyor limited to Sec. Cor. And Quarter Corner disputes.
1975	S 223	Schieffelin	Ad. Hoc.	Subdivision of Sections; definitions; Imp. Loc. Cert.; Co. Surv. Fees; Aliquot Mon. Stds.; Mon. Boxes.
	S 417	"	"	Lost, Would have defined Prof. Surv. And Specialties and created technician.
	H 1403	Kopel	Staff	Legal Desc. to include Street Address.
1977	S 209	Schieffelin	Ad. Hoc.	Lost, Similar to S.B. 417 (1975) plus correct I.L.C. wording.
1979	H 1573	Orten	P.L.S.C.	Limit liability.
1979	* 1522	Randall	Brinker	Education equivalents; reexamination after revocation or suspension; preservation of Pub. Land Mon. and Br'g. trees; Co. Surv. Procedures in Bdry. Disputes; I.L.C. correction.
1981	1472	Davoren	Brinker	Lost, Would have clarified County Surveyor's Duties and monumentation requirements; monumented surveys to be recorded; S.P.C. update.
	1510	DeFilippo	C.E.C.	PE-PLS "Sunset", "Professional' Land Surveyor; L.S. Quorum of Board; Public Members; S.I.T.; two L.S. (only) members
1983	1312	Davoren	Brinker	Lost, would have modified def. Of Engr. Surv., Co. Comm. To review plats and monuments.  Correction Plats, clarify Mon. Standards, monumented surveys to be recorded, S.P.C. update.
1986	H1177	Carpenter	Carpenter	Lost, Requiring depositing of land survey plats and ROW plats to be checked by County Surveyor
1987	H 1025	Carpenter	Carpenter	First law requiring depositing of land survey plats and ROW plats to be checked by County Surveyor
1988	?	Sunset	PLSC	PLS can rely upon title companies to furnish easements of record on survey plats
1989				PLSC hires a lobbyist to follow survey legislation
1989	S 87	Peterson	PLSC	Repealed County Surveyor checking.  Revised when a PLS had to deposit survey plats.  First survey bill to ever pass unanimously in both the House and Senate.
1992			PLSC	Surveyors Right of Entry law passed
1993	H 1087	Salaz	PLSC	Lost, Continuing Education requirements for PLS
1994	S 026	Schroeder	PLSC	PE-PLS "Sunset", eliminated the federal exemption for surveying except for BLM surveyors.
1995	H 1302	Prinzler	PLSC	Lost, Continuing Education requirements for PLS
1997	S 037	Mutzebaugh		Required Railroads to have tracks surveyed in by PLS before removing tracks if title is tied to tracks
	H 1261	Zaimmerman		Created GIS Land Position and allowed PLS's TO WORK IN gis field without complying with monumentation laws
	H 1217	Dyer	Brinker	Def. Of L.S. put in outline form.  Writing of property descriptions inadvertently dropped by staff.  Appeal rights defined. 38-44-113 added.  County Surveyor decisions subject to appeal. New definitions. Geodetic surveying added.
2004	H 1115	Staff	Staff	PE-PLS "Sunset", "Surveying" dropped from def. of Engr.  Preparation of prop. descriptions restored to def. of PLS Description of physical evidence required on plat when certain monuments have been restored.  20 year update on plats.  Engineering surveying added.
2006	H 1183	Berens	PLSC	Monument record and plat standards revised.  Limitation of actions corrected.
	H 1196	Balmer		Combined the Architects with the Engineers and Land Surveyors State Board. PLS's (& PE's and architects) to be free from liability in certain disaster situations.
2006	HB-1295	Hodge/Hanna	Hershey	County Surveyor salary.
*Under current System, Senate bills start with No. 1 and House Bills with 1001 each session.  Obviously 1522 was a House Bill.
Note: Co. Surv. Term of office changed to 4 yrs., as result of constitutional amendment in 1954.
Abbreviations: P.E.C. - Professional Engineers of Colo.; C.S.E. - Colorado Society of Engineers; C.D.H. - Colo. Dept. of Hwys; P.L.S.C. - Professional Land Surveyors of Colorado; Ad Hoc - Committee of interested parties.
Dates through 1983 based on research by D.M. Brinker, 3/22/'84
1983 to date based on research by Doyle Abrahamson and D.M. Brinker (2006)
ta 10/13/2006