An interstate agreement between Colorado and New Mexico that governs the allocation and use of water from Costilla Creek, a tributary of the Rio Grande, across state lines.
1993: The Sangre de Cristo Land Grant Commission Report
A collaboration of local interest in acquiring the Taylor Ranch for public land management via the State.
A call for an interdisciplinary documentation and evaluation of character-defining features and qualities of the landscape.
Natural Resources Conservation Service recommendations for forest health.
1996: La Sierra
Management Plan
A proposed National Park plan prepared by State agencies.
A resolution adopting the County’s comprehensive plan.
Prepared by Maria Mondragon Valdez and Valdez and Associates.
Study of species dependent on wetland and riparian areas and the locations of significant natural wetland and riparian plant communities.
Evolution of the southeastern San Luis Basin margin and the Culebra embayment of the Rio Grande rift of southern Colorado, by the New Mexico Geological Society
Recommendations and best practices toward forest management.
A vegetation inventory led by Dr. Roy Roath of Colorado State University to provide an analysis of the current grazing use and the land's capability.
New insights to interactions between quaternary faults in the Northern Rio Grande Rift.
A management plan developed to support the resources of La Sierra for future generations and the proper use of natural resources for the community.
A vegetation inventory led by Dr. Roy Roath of Colorado State University to provide an analysis of the current grazing use and the land's capability.
Examining the ways community water contributes to the cultural landscape and ecological balance of land use and natural resources, by David S. Henkel, Professor Emeritus of Planning, UNM.
A framework for assessing ecosystem services in acequia irrigation communities of the Upper Río Grande watershed; multiple authors.
2015: The Hallett Decrees
A look at the legal standing of early water rights in Costilla County by Will Davidson and Julia Guarino.
Archaeological research during 2018 at the La Botica Site, Conejos County, Colorado.
Ecological studies and habitat data related to the La Botica Site, Conejos County, Colorado.
Assessments and findings throughout the watershed form this report by Tailwater Limited for the Costilla County Conservancy District, 2022.
This guide outlines best management practices for the protection of natural resources.
Developed in 2024 to support CDPHE Stormwater Permit.