The county surveyor has the duties and powers pursuant to C.R.S. §30-10-903 and is responsible for the indexing and filing of all plats deposited by surveyors with the county in accordance with Colorado law, and pursuant to C.R.S. § 30-50-101 (2) (a) (I).  The indexed plats are retained by the La Plata County Clerk and Recorder and are frequently used as a source and reference by surveyors doing business in La Plata County. To obtain a copy of a plat or view a recorded plat, please contact the Clerk and Recorder's office at: (970) 382-6280 or visit their website. Information about when a survey needs to be done can be found here