Introduction to the Natural History of Springbrook State Recreation Area, Guthrie County, Iowa

 

 

by Raymond R. Anderson

1

 

 

 

 

Springbrook State Park History

 

 

by Rod Nelsen and Tammy Domonoske

3

 

 

 

 

Coal Mining in the Springbrook Area

 

 

by Mary R. Howes

9

 

 

 

 

Cretaceous Bedrock Geology in the Springbrook Area

 

 

by Brian J. Witzke and Greg A. Ludvigson

13

 

 

 

 

An Overview of the Quaternary History of the Springbrook Area

 

 

by Deborah E. Quade and Jean C. Prior

20

 

 

 

 

Springbrook State Recreation Area Archaeological Resources

 

 

by Shirley J. Schermer, Richard L. Fishel, and William Green

25

 

 

 

 

The Fauna of Springbrook State Recreation Area; Life on the Edge

 

 

by Don Sievers

27

 

 

 

 

The Vegetation of Springbrook State Recreation Area

 

 

by John Pearson

31

 

 

 

 

Field Trip Stops

 

 

 

 

 

 

Stop 1:  Springbrook State Park History

 

 

 

by Rod Nelsen and Tammy Domonoske

39

 

 

 

 

 

Stop 2:  Trailside Exposures of Dakota Fm. Sandstone and Quaternary Materials North of Springbrook Lake

 

 

 

by Brian J. Witzke, Greg A. Ludvigson, and Deborah E. Quade

41

 

 

 

 

 

Stop 3:  Streamside Exposures in Springbrook Campground, Lower Strata of the Cretaceous Nishnabotna Member

 

 

 

by Brian J. Witzke and Greg A. Ludvigson

43

 

 

 

 

 

Stop 4:  Springbrook State Recreation Area Archaeological Resources

 

 

 

by Shirley J. Schermer, Richard L. Fishel, and William Green

45

 

 

 

 

 

Stop 5:  The Des Moines Lobe Ice Margin

 

 

 

by Deborah E. Quade and Jean C. Prior

47

 

 

 

 

 

Stop 6:  Aspects of the Flora and Fauna of Springbrook State Recreation Area

 

 

 

Stop 6a:  Problems with White-tail Deer  in Springbrook

 

 

 

by Don Sievers

49

 

 

Stop 6b:  Savanna on Trail East of Picnic Area

 

 

 

by John Pearson

49

 

 

 

 

 

Stop 7: The Springbrook Sandstone Prairie Restoration Project

 

 

 

by John Pearson, Greg A. Ludvigson, and Brian J. Witzke

51

 

 

 

 

 

Stop 8:  Dakota Fm. Exposures, a Vegetated Slump, and Modern Sedimentation, Middle Raccoon River

 

 

 

by Brian J Witzke, Greg A. Ludvigson, and John Pearson

53

 

 

 

 

 

Stop 9:  Natural Features North of the Springbrook Conservation Education Center

 

 

 

by all trip leaders

59

 

 

 

 

 

Preliminary Description and Discussion of Facies of the Nishnabotna Member of the Dakota Formation, Guthrie County, Iowa.

 

 

 

by P. Lee Phillips Jr. and Tim S. White

65