`` It 's making us nervous . '' The fire has burned nearly 1,900 acres and is 40 % contained . seven fire personnel are fighting The Carstens Fire . The blaze is striking in and around Mariposa County near the Mariposa County Fairgrounds . The blaze comes Today before the normal start of wildfire season in California .
The fire has burned nearly 1,900 acres and is 40 % contained . seven fire personnel are fighting The Carstens Fire . The blaze is striking in and around Mariposa County near the Mariposa County Fairgrounds . The blaze comes Today before the normal start of wildfire season in California .