1. Technical Specialist, Bureau of Reclamation, Hydraulic Investigations and Laboratory Services, Denver, CO 80225-0007 (corresponding author). ORCID: .
2. Retired; formerly, Hydraulic Engineer, Bureau of Reclamation, Hydraulic Investigations and Laboratory Services, Denver, CO 80225-0007.
3. Consultant, Henry T. Falvey & Associates, 11624 Blackfoot Rd., Conifer, CO 80433.