Evening Update Per Cal Fire: River Fire is at 9,656 Acres with 86% Containment as of Sunday evening. 

Note: 960 Pixels Wide 

River Fire in Mariposa County and Madera County Infrared Map for Sunday Morning, July 18, 2021.

Notes from the flight: 

Little heat detected approximately 40 points with the highest density occurring in the W and NE

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Update: River Fire in Mariposa County and Madera County Briefing Map for Sunday, July 18, 2021 - Shows Divisions, Uncontrolled Fire Edge, Completed Dozer Lines

July 18, 2021 - CAL FIRE: The River Fire burning in Mariposa and Madera Counties, in the area of Road 800 and Road 812, is 9,656 acres and 75% contained.