Lake Mead, NV-AZ.April 30, 2017/in /by Marli Miller drought, water resources, irrigation, hydropower https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png 0 0 Marli Miller https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png Marli Miller2017-04-30 20:23:542017-09-04 02:42:13Lake Mead, NV-AZ.