Financial assurance and PolyMet:. 05:50 - Gavel and introductory comments. 11:34 - Minnesota Department of Natural Resources. 2:09:55 - Grand Portage Band of Lake Superior Chippewa. 2:39:41 - Public testimony on how best to structure financial assurance. 4:38:12 - Response from Minnesota Department of Natural Resources. 5:01:21 - PolyMet Mining Corporation. Runs 5 hours, 13 minutes.