-7- 



06.30 00.20 Waste piles ahead on the far right are strippings from mining 

 of the Colchester (No. 2) Coal Member. 



06.80 00.50 The picnic area on the right is a separate part of Starved 



Rock Park called the Ottawa Shelter. The mine-waste piles on 

 the right bank of the river are near the south side of 

 Buffalo Rock near the site of Buffalo Rock State Park, which 

 is reached from the north side of the river. 



07.40 00.60 The St. Peter Sandstone is exposed on the right. 



07.80 00.40 On the far left, the bluff formed by the St. Peter rises gently 

 westward toward the crest of the La Salle Anticline (the crest 

 lies approximately 7 miles to the west) . The bluffs are uni- 

 formly about 50 feet in height except at several places in the 

 park where downward cutting of the terraces in the valley bottom 

 has extended the cliffs downward. 



08.25 00.45 East Entrance of Starved Rock State Park (see arrows on figure 4) 



08.60 00.35 Illinois Canyon on left. 



08.90 00.30 Begin ascent of valley wall. SLOW! 



09.80 00.90 Hennepin Canyon on right with scenic view of river. 



10.85 01.05 La Salle and Horseshoe Canyons on right. 



11.00 00.15 Tonti Canyon trail to right. Small parking area. An arched 

 bridge is part of the Tonti Canyon trail. 



11.45 00.45 Upland area underlain by Pennsylvanian rocks and Pleistocene 

 surficial materials. 



Fig. 4 - Route map through Starved Rock State Park, La Salle County 



