Canonically, the chancellor is the secretary of the curia and ecclesial notary of the diocese. The primary role of the chancellor is to gather, arrange, and safeguard the Acts and the archives of the diocesan curia. That is, he or she is responsible for the orderly arrangement preserving both the recorded history of the diocese as well as the preservation of its historical artifacts.
SEARCHING FOR RECORDS IN OTHER DIOCESES IN COLORADO?
As the Chief Shepherd of souls within the Diocese of Pueblo the bishop is responsible for protecting and assuring the reputation, integrity and unity of the Catholic Faith. For that reason an individual from outside the Diocese who is invited by a Catholic entity, parish or group associated with the Diocese for a presentation representing the Catholic faith or moral Tradition of the Church requires the prior approval of the Bishop. (Code of Canon Law, Can. 386 §2)
The Diocese of Pueblo has developed a Speaker Approval Process to vet and approve proposed speakers. Our goal is to ensure that all presenters:  are adequately prepared,  have appropriate qualifications and  have completed the requirements necessary for the protection of minors.
Complete a Speaker Approval Form https://7cq6q6kzd63.typeform.com/to/AzDvgLG4