
Eldorado National Forest encompasses the rugged terrain of the Slate Mountains in this early 1950s survey. The landscape is defined by the deep canyons of the South Fork American River and its numerous tributaries, including Mosquito Creek and Slab Creek. Industrial history is evident through the presence of the Slate Mtn Mine and Placer Mine, while the Dismantled Railroad and National Chute suggest a transitioning mountain economy. Small settlements and local landmarks like Morton Ranch, Towa Hill, and the Mosquito District Sch provide a glimpse into the isolated communities of the era. Water management is a primary theme, highlighted by the American River Intake Dam and Finnon Res Spillway, which supported local industry and agriculture in the Sierra Nevada foothills.
61 named features on this map. Tap any name to fly to it.
Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.
4 editions found
69 maps found

1889 Pyramid Peak
El Dorado County, CA

1891 Pyramid Peak
El Dorado County, CA

1895 Pyramid Peak
El Dorado County, CA

1896 Pyramid Peak
El Dorado County, CA

1949 Garden Valley
El Dorado County, CA

1949 Greenwood
El Dorado County, CA

1949 Latrobe
El Dorado County, CA

1950 Garden Valley
El Dorado County, CA

1950 Greenwood
El Dorado County, CA

1950 Latrobe
El Dorado County, CA

1950 Riverton
El Dorado County, CA

1950 Robbs Peak
El Dorado County, CA

1950 Saddle Mountain
El Dorado County, CA

1950 Slate Mtn
El Dorado County, CA

1950 Tunnel Hill
El Dorado County, CA

1951 Caldor
El Dorado County, CA

1951 Leek Spring Hill
El Dorado County, CA

1951 Leek Spring Hill
El Dorado County, CA

1951 Old Iron Mountain
El Dorado County, CA

1951 Peddler Hill
El Dorado County, CA

1952 Aukum
El Dorado County, CA

1952 Kyburz
El Dorado County, CA

1952 Loon Lake
El Dorado County, CA

1952 Omo Ranch
El Dorado County, CA

1952 Robbs Peak
El Dorado County, CA

1952 Sly Park
El Dorado County, CA

1953 Clarksville
El Dorado County, CA

1953 Sly Park
El Dorado County, CA

1954 Pilot Hill
El Dorado County, CA

1955 Echo Lake
El Dorado County, CA

1955 Emerald Bay
El Dorado County, CA

1955 Fallen Leaf Lake
El Dorado County, CA

1955 Freel Peak
El Dorado County, CA

1955 Meeks Bay
El Dorado County, CA

1955 Pyramid Peak
El Dorado County, CA

1955 Rockbound Valley
El Dorado County, CA

1979 Tragedy Spring
El Dorado County, CA

1992 Echo Lake
El Dorado County, CA

1992 Emerald Bay
El Dorado County, CA

1992 Freel Peak
El Dorado County, CA

1992 Meeks Bay
El Dorado County, CA

1992 Pyramid Peak
El Dorado County, CA

1992 Rockbound Valley
El Dorado County, CA

1992 Tragedy Spring
El Dorado County, CA

2021 Aukum
El Dorado County, CA

2021 Caldor
El Dorado County, CA

2021 Clarksville
El Dorado County, CA

2021 Echo Lake
El Dorado County, CA

2021 Emerald Bay
El Dorado County, CA

2021 Garden Valley
El Dorado County, CA

2021 Kyburz
El Dorado County, CA

2021 Latrobe
El Dorado County, CA

2021 Leek Spring Hill
El Dorado County, CA

2021 Loon Lake
El Dorado County, CA

2021 Meeks Bay
El Dorado County, CA

2021 Old Iron Mountain
El Dorado County, CA

2021 Omo Ranch
El Dorado County, CA

2021 Peddler Hill
El Dorado County, CA

2021 Pyramid Peak
El Dorado County, CA

2021 Riverton
El Dorado County, CA

2021 Robbs Peak
El Dorado County, CA

2021 Rockbound Valley
El Dorado County, CA

2021 Slate Mountain
El Dorado County, CA

2021 Sly Park
El Dorado County, CA

2021 Tragedy Spring
El Dorado County, CA

2022 Freel Peak
El Dorado County, CA

2022 Pilot Hill
El Dorado County, CA

2023 Greenwood
El Dorado County, CA

2023 Tunnel Hill
El Dorado County, CA