INTRODUCTION

2

 

 

STOP 1:  ROADCUTS IN GALENA GROUP NORTH OF ELKADER, HWYS. 13 AND 128

5

 

 

STOP 2:  ROBERTS CREEK QUARRY

9

 

 

STOP 3:  BIG SPRING AND THE BIG SPRING HATCHERY

12

 

 

STOP 4:  DRY HOLLOW SWALLOW

23

 

 

STOP 5:  SASS AREA

25

 

 

STOP 6:  BIG SPRING BASSIN DMONSTRATION PROJECT:  BUGENHAGEN BASIN

29