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.
The tufa dams in Davys Creek are the most studied in the State. Drysdale et al. showed that deposition at the tufa dams was dependent on weather conditions, making tufa dams a likely source of information about past climatic conditions.he caves show evidence of solution by rising groundwater possibly related to the adjacent thermal spring. One of the most significant caves at Cliefden is Taplow Maze Cave with a network of passages over 3 km long (survey in progress by the Sydney University Speleological Society).