Wikimedi'Òc

Black Diamond Mines (Antioch, CA).JPG - Sanfranman59

Insect in Black Diamond Mines Regional Preserve.jpg - Gyrobo

Black Diamond Mines Regional Preserve corral.jpg - Flickr upload bot

Abandoned buildings at Black Diamond Mines Regional Preserve.jpg - Flickr upload bot

Into The Mine 2.jpg - Rhmimages

Greathouse Portal.jpg - Rhmimages

In the mine.jpg - Rhmimages

Steps at Black Diamond Mine.jpg - Rhmimages

Mt. Diablo Coal Field Historic Marker, Black Diamond Mines.JPG - Erraticrabbit

Hazel-Atlas Mine.jpeg - Hviola

Black Diamond Mines Regional Preserve - panoramio.jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (1).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (2).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (3).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (4).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (5).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (6).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (7).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (8).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (9).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (10).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (11).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (12).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (13).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (14).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (15).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (16).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (17).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (18).jpg - Panoramio upload bot

Black Diamond Mines Regional Preserve - panoramio (19).jpg - Panoramio upload bot

Chipping Sparrow (33468278204).jpg - Junior Jumper

California - Black Diamond Mines Regional Preserve - 20180707104929.jpg - Peterquinn925

California - Black Diamond Mines Regional Preserve - 20180707112530.jpg - Peterquinn925

California - Black Diamond Mines Regional Preserve - 20180707115228.jpg - Peterquinn925

California - Black Diamond Mines Regional Preserve - 20180707120656.jpg - Peterquinn925

California - Black Diamond Mines Regional Preserve - 20180707110009.jpg - Peterquinn925

California - Black Diamond Mines Regional Preserve - 20180707111525.jpg - Peterquinn925

Entrance to Hazel-Atlas Mine, May 2019.jpg - Pi.1415926535

Black Diamond Mines National Register 91001425+California Historical Landmark 932 MM 4144.tif - Mwmccune

Black Diamond Mines National Register 91001425+California Historical Landmark 932 MM 4198.tif - Mwmccune

Black Diamond Mines National Register 91001425+California Historical Landmark 932 MM 4207.tif - Mwmccune

Black Diamond Mines Eureka Slope MM 4292.tif - Mwmccune

Coyote (4502194246).jpg - Jarble

Coyote (4501559515).jpg - Jarble

Coyote (4501559563).jpg - Jarble

Black Diamond Mines Regional Preserve landscape.jpg - Bcrawf123

View from peak within Black Diamond Mines Regional Preserve.jpg - Bcrawf123

Black Diamond Mines Regional Preserve rock formation.jpg - Bcrawf123

Black Diamond Mines Regional Preserve mine portal.jpg - Bcrawf123

Black Diamond Mines Regional Preserve.jpg - Bcrawf123

Black Diamond Mines Regional Preserve panorama.jpg - Bcrawf123