The second deepest water filled sinkhole in the world. Total depth of sinkhole is 339 m, lake is 319 m deep. On the surface of lake there are floating several round travertine islands. Lake is formed by volcanically heated acidic groundwater.
The average cnc machinist salary in Birmingham, Alabama is $45,315 or an equivalent hourly rate of $22. This is 8% lower (-$3,693) than the average cnc machinist salary in the United States. In addition, they earn an average bonus of $861. Salary estimates based on salary survey data collected directly from employers and anonymous employees in Birmingham, Alabama.
Also, those in Western states tend to earn the most, while those in Southeastern states tend to earn the least. For example, pharmacy techs in Washington reported an average wage of $19.05 an hour in 2012, while those working in Kentucky -- the lowest-paying state in the nation -- averaged $12.26 an hour. These geographical pay differences are largely accounted for by differences in the local cost of living.