Hodgson Water Mill on Highway 181 in Richland Township, Missouri.

The Spring at Turners Mill flows from a small cave at the base of the bluff.

Turners Mill 25 ft metal waterwheel in the spring branch.

Turners Mill 25 ft metal waterwheel in the spring branch.

Topaz Mill on the North Fork River in Vanzant, Douglas County, Missouri.

Inside the Topaz Mill in Vanzant, Douglas County, Missouri.

Topaz Mill on the North Fork River in Vanzant, Douglas County, Missouri.

The second spring outlet at Greer Spring on a cloudy day in February 2016

The flow from Greer Spring before the second spring outlet.

Greer Spring on a cloudy day in February 2016

Greer Spring located north of Alton, Missouri on Highway 19. November 2015

Falling Spring located 10 miles south of Winona/US60 on MO19

Gears inside the mill at Falling Spring

Falling Spring and Mill located 10 miles south of Winona/US60 on Hwy. 19. November 2015.

Alley Spring West of Eminence, Missouri on Hwy 106. October 2015

Inside the Grist Mill at Alley Spring West of Eminence, Missouri on Hwy 106. October 2015

Storys Creek School a one room schoolhouse at Alley Spring. October 2015

Pulltite Spring located across the Current River from the Pulltite Campground.

Pulltite cabin built in the French style in which the logs are placed upright.

Interior of the cabin located by Pulltite Spring across the Current River from the Pulltite Campground.

Cabin completed the day before Thanksgiving in 1913 located by Pulltite Spring across the Current River from the Pulltite Campground.

Pulltite Spring located across the Current River from the Pulltite Campground.

Rainbow Trout at Maramec Spring Park. July 2015

Powerhouse at Maramec Spring Park. July 2015

Overflow cascade at Maramec Spring Park. July 2015