“The Public Trust Doctrine (PTD) and its Application for Protecting Instream Flows” video series. See video background, titles, and links to each below.
These videos (PTD 101-104) are a product of the 2nd “National Instream Flow Program Assessment (NIFPA) Project Workshop” held March 5th & 6th 1996 at Denver, Colorado. The NIFPA Project lead to the formation of the Instream Flow Council (IFC). These PTD presentations relate to IFC core values (https://www.instreamflowcouncil.org/about/) and collectively serve as a PTD historical background reference.
PTD 101: Introduction to the Public Trust Doctrine (1hr. 19 min.) PTD 101 is subdivided into 2 parts: 101A & 101B. PTD 101A (ends @ ~51 min. 11 sec.) and is followed by the PTD 101B segment (~28 min. length).
PTD 102: Perspectives on Water Law Doctrines (1 hr. 2 min.)
PTD 103A: PTD Case Histories Part 1 of 2 (2 hrs. 1 min.)
PTD 104: Q&A (1hr. 23min.)