She was a positive reinforcement for others. Born into slavery in 1829 Arminta Harriet Ross Tubman was put to work at the age of six. After years of slavery, she changed her name from Arminta Ross and she became Harriet Ross Tubman after marrying black man by the name of John Tubman.
At A Glance. We are located on the sunny shores of Potholes Reservoir located in Central Washington about 16 miles SW of Moses Lake, I-90 Exit 179. Potholes Reservoir is a 28,000 acre man-made lake contained by OâSullivan Dam, which is the longest earthen filled dam in the United States.t A Glance. We are located on the sunny shores of Potholes Reservoir located in Central Washington about 16 miles SW of Moses Lake, I-90 Exit 179. Potholes Reservoir is a 28,000 acre man-made lake contained by OâSullivan Dam, which is the longest earthen filled dam in the United States.
In 1904, the present plant was built. Construction was preceded by replacing Triphammer Dam slightly west of it original location in 1896. Water is supplied to the plant from Beebe Lake by a five-foot diameter underground penstock, 1700 feet long. The existing intake dates to 1953 and was upgraded in 1981.n 1904, the present plant was built. Construction was preceded by replacing Triphammer Dam slightly west of it original location in 1896. Water is supplied to the plant from Beebe Lake by a five-foot diameter underground penstock, 1700 feet long. The existing intake dates to 1953 and was upgraded in 1981.