SWEEP Report Photos Photo credits: Cover. Roger Bales 1. Roger Bales 2. Roger Bales 3. Margot Wholey 4. Roger Wynan 5. Matt Meadows 6. John Battles 7. John Battles 8. John Battles 9. John Battles Photo 1. Dense forest in North Fork, American River basin Photo 2. Partially thinned stand with understory, North Fork, American River basin Photo 3. Typical meteorological station supporting research in snow-covered southern Sierra Nevada. Photo 4. Snow-depth sensors in Southern Sierra CZO meadow and adjacent forest. Photo 5. Close up of acoustic snow-depth sensors, with up-looking and down-looking radiation measurements on nearest sensor arm, Southern Sierra CZO. Photo 6.. Intact forest at Last Chance. View from forest edge (road) looking in. High canopy cover; dense forest. Photo 7. Intact forest at Last Chance after tractor thinning to approximately 60% canopy cover. Photo 8. Dense forests at Onion Creek (approximately 90% canopy cover. Photo taken from forest edge on trail. Photo 9. Onion Creek: View of multiple leaf layers contributing to high LAI.