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45:01 GW-WS-GSP 2021 Lecture 1: What is Groundwater? -… GW-WS-GSP 2021 Lecture 1: What is Groundwater? - Thomas Harter [UPDATED]	GW-WS-GSP 2021 Lecture 1: What is Groundwater? - Thomas Harter [UPDATED] Lecture 1 (Day 1) of "Groundwater, Watersheds, and Groundwater Sustainability Plans - An Online Short Course", May/June 2021 water groundwater sediments rocks table space pressure sand pore soil material california surface era clay gradient level lines gravel pot From Adele Nemer 0 likes 5 plays 0
48:17 Discussion_Winter_Week 1 Discussion_Winter_Week 1	Discussion_Winter_Week 1 wolves population wolf animals genes species wildlife lot hunters attitudes nature paper era hunting papers selection question discussion survey variation From Sierra Winter 0 likes 37 plays 0