Jackson Creek is a 26.4 miles (42.5 km) stream in Amador County, California

Amador County, California

Amador County is a county located in the Sierra Nevada of the U.S. state of California. As of the 2010 census, the population was 38,091. The county seat is Jackson.Amador County bills itself as "The Heart of the Mother Lode" and lies within the Gold Country...

, which feeds into Dry Creek

Dry Creek (Mokelumne River)

Dry Creek is a stream in northern California which runs from the Sierra Nevada to the Mokelumne River west of Galt.- Tributaries :*North Fork Dry Creek*South Fork Dry Creek*Sutter Creek*Jackson Creek...

 southwest of Ione

Ione, California

Ione is a city in Amador County, California, United States. The population was 7,918 at the 2010 census, up from 7,129 at the 2000 census. Once known as "Bed-Bug" and "Freeze Out," Ione was an important supply center on the main road to the Mother Lode and Southern Mines during the California Gold...

. It was linked to gold mining

Gold mining

Gold mining is the removal of gold from the ground. There are several techniques and processes by which gold may be extracted from the earth.-History:...

 during the California Gold Rush

California Gold Rush

The California Gold Rush began on January 24, 1848, when gold was found by James W. Marshall at Sutter's Mill in Coloma, California. The first to hear confirmed information of the gold rush were the people in Oregon, the Sandwich Islands , and Latin America, who were the first to start flocking to...

 era.

Jackson Creek is dammed to create Lake Amador

Lake Amador

Lake Amador is a reservoir located in Amador County, California. It lies at an elevation of 325 feet.The lake's water is impounded by the Jackson Creek Dam, a tall earth-and-rock dam, built in 1965 across Jackson Creek. The dam is long and wide and contains of material. Its crest is about...

 using a 193 feet (58.8 m) high earth and rock construction; this dam was constructed in the year 1965.

Tree cover in much of the watershed approaches 80 percent, with dominant tree species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 including Interior Live Oak

Interior Live Oak

Quercus wislizeni, known by the common names Interior Live Oak, and Sierra Live Oak, is an evergeen oak, highly variable and often shrubby, found in areas of California in the United States. It also occurs south into northern Baja California in Mexico...

, Quercus wislizinii, Black Oak, Quercus kellogii, Blue Oak

Blue Oak

Quercus douglasii, the Blue Oak, is an oak in the white oak section of the genus, Quercus sect. Quercus. It is endemic to California and is found in foothills surrounding the Central Valley of California and certain locations in the California Coast Ranges, USA...

, Quercus douglasiiigger, Pinus sabiniana, Ponderosa Pine

Ponderosa Pine

Pinus ponderosa, commonly known as the Ponderosa Pine, Bull Pine, Blackjack Pine, or Western Yellow Pine, is a widespread and variable pine native to western North America. It was first described by David Douglas in 1826, from eastern Washington near present-day Spokane...

, Pinus ponderosa, Oregon Ash

Oregon Ash

Fraxinus latifolia is a member of the ash genus Fraxinus, native to western North America.-Distribution:Fraxinus latifolia is found: on the west side of the Cascade Range from southwestern British Columbia south through western Washington, western Oregon, and northwestern California; and in...

, Fraxinus latifolia and California Buckeye, Aesculus californica.