Lake Mead national recreation area - lame_5-89
Unprotected shafts can be an extreme safety hazard. Two-hundred-foot deep shaft, Lake Mead National Recreation Area, Nevada.
National parks: Backfilling - public domain image
Backfill of adit with native rock and soils, Terry Mine, Capitol Reef National Park, Utah.
Abandoned mineral lands - Cable mesh
Cable mesh over open stull stope, Skidoo Gold Mine, Death Valley National Park, California.
Abandoned mineral lands - dena_8-93
Contaminated mine waste creates long-lasting scars on the landscape, Denali National Park and Preserve, Alaska
Abandoned mineral lands - Fig10a_DEVA_Skidoo-cupola_websmall
Picryl description: Public domain image of a quarry, mine, excavation, or mining site, free to use, no copyright restrictions.
National parks: RMslideshow - public domain image
Topsoil and soil amendments are spread on a reclaimed rock quarry to encourage rapid re-vegetation, Redwood National Park, California.
Glen Canyon Rock Walls - Public Domain image, National Parks Gallery
Native rock and masonry wall, Jomac Uranium Mine, Glen Canyon National Recreation Area, Utah.
Duchess Mine headframe - National Parks Gallery
Headframe over inclined shaft at Duchess Mine, Capitol Reef National Park, Utah
Big Bend National Park - Steel Grating
Steel grate installed over vertical shaft, Mariscal Mercury Mine, Big Bend National Park, Texas.
Buffalo National River - Bat Gate
Bat gate installed in adit, Monte Cristo Zinc Mine 3, Buffalo National River, Arkansas.
Abandoned mineral lands - Fig10b_MOJA_ Rattlesnake_LR
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
National parks: Fig8_BISO_WellPlug_LR - public domain image
Public domain photograph of construction site, free to use, no copyright restrictions image - Picryl description
National parks: CARE_008_websmall - public domain image
Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.
National parks: deva_xx_143 - public domain image
A talc mine in Death Valley National Park, California Public domain photograph of quarry, mining industry, miners, free to use, no copyright restrictions image - Picryl description
National parks: Fig4_DEVA_Skidoo_LR - public domain image
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
National parks: Restoration - public domain image
Pit restoration in process, Sand Creek Gravel Pit 7, Great Sand Dunes National Park and Preserve, Colorado.
National parks: deva_talcmine - public domain image
Unstable adits and structures are common hazards at abandoned mines. Talc mine, Death Valley National Monument, California.
National parks: Fig11_BUFF_MonteCristo_LR - public domain image
Public domain photograph of a cave, free to use, no copyright restrictions image - Picryl description
National parks: Fig7a_GLCA_Jomac_LR - public domain image
Picryl description: Public domain image of a quarry, mine, excavation, or mining site, free to use, no copyright restrictions.
Abandoned mineral lands - Polyurethane Foam
Polyurethane foam plug and backfill in adit, Jones Branch Mine 195, Big South Fork National River and Recreation Area, Tennessee/Kentucky.
Abandoned mineral lands - biso_85-117
Oil and Gas Extraction Equipment, Big South Fork National River and Recreation Area, Kentucky.
Abandoned mineral lands - gumo_91-063
Pump jack in Guadalupe Mountains National Park, Texas.
National parks: wrst_ramblermine - public domain image
Hazardous mine opening, Wrangell-St. Elias National Park and Preserve, Alaska.
National parks: wrst_ramblermine2 - public domain image
A mine access road, Wrangell-St. Elias National Park and Preserve, Alaska.
Colorado National Monument, colm_90-070
Townsend's big-eared bat in a mine, Colorado National Monument, Colorado
National parks: V_across_bigtree - public domain image
The road corridor is restored to its original contours, which stabilizes the slope and reestablishes the natural drainage pattern, Redwood National Park, California.
Abandoned mineral lands - wrst_7-89
Kennecott mill, Wrangell-St. Elias National Park and Preserve, Alaska
Abandoned mineral lands - biso_83-037
Acid mine drainage at a coal mine, Big South Fork National River and Recreation Area, Kentucky/Tennessee.
Bat Cupola - High - National Parks Gallery
High-profile bat cupola at Skidoo Mine, Death Valley National Park, California.
Administrative area closure - sign
Administrative closure sign at Keane Wonder Mine. Death Valley National Park, California.
National parks: post_he_retake - public domain image
Once the vegetation is established, it is difficult to tell that a road existed. Recovery shown after one season, Redwood National Park, California.
Glen Canyon glca_89-054 - Public Domain image, National Parks Gallery
Abandoned lead-acid batteries are one source of hazardous materials at mine sites, Glen Canyon National Recreation Area, Utah.
Fig12b2_GRSA_Pit7-begin-LR - National Parks Gallery
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Abandoned mineral lands - k&kroad
Virtually all mineral activities require access roads that may cause erosion and visual scars. Abandoned road prior to restoration, Redwood National Park, California.
Bat Cupola - Low - National Parks Gallery
Low-profile bat cupola installed over vertical shaft, Rattlesnake Gold Mine. Mojave National Preserve, California.
National parks: lame_lakeshore - public domain image
Erosion of unreclaimed tailings piles, Lake Mead National Recreation Area, Nevada.
cuva_3-21-91 - National Parks Gallery
Sand and gravel pits make up a significant portion of the abandoned mines in the NPS, Cuyahoga Valley National Recreation Area, Ohio.
Big Bend National Park - bibe_89-138
Mercury ore was processed at this site in the early 1900s. Environmental testing in 1994 indicates that no contamination remains. Big Bend National Park, Texas.