-12- 



04.05 00.50 Sharp right turn. 



04.35 00.30 Sharp left turn. 



05.05 00.70 Abandoned cement quarry in Pennsylvanian La Salle Limestone 

 Member (McLeansboro) on left. 



05.25 00.20 Roadcut displaying the La Salle Limestone Member of the 

 Bond Formation on both sides of the highway. 



05.35 00.10 Bridge over Vermilion River and C, B & Q Railroad tracks 

 that serve the Marquette Cement Manufacturing Company 

 quarry. Cement manufacture represents the main in- 

 dustry in the Oglesby-Jonesville area. 



05.55 00.20 Enter Jonesville. Note the red-topped conical spoil pile 



on the right. It represents the remains of La Salle County 

 Carbon Coal Company Jones No. 1 Mine— opened in 1886 and 

 closed in 1928. Three feet of Danville (No. 7) Coal were 

 mined at a depth of 217 feet. Four feet of Herrin (No. 6) 

 Coal were mined at 276 feet, and 3% feet of Colchester 

 (No. 2) Coal were mined at 436 feet. 



05.65 00.10 Y- intersection with Route 71 North. Bear left on 71. The 



highway turns up the river bluff and sweeps to the right after 

 the left turn. 



05.95 00.30 Cross railroad bridge halfway up hill. Enter Oglesby on 

 La Salle Street. 



06.85 00.90 STOP SIGN at Walnut Street, the main thoroughfare. Turn 



right (west) on Walnut (Route 71 continues straight ahead) . 



06.95 00.10 Indiana General Manufacturing plant on left. 



08.65 01.70 STOP SIGNAL. U.S. Route 51. Turn left (southeast) onto 

 Route 51. NOTICE! After turning onto Route 51, we will 

 travel 2.4 miles and turn left .2 mile beyond the junction 

 of Route 51 and Route 71. BE ALERT! Be prepared to 

 turn left just beyond the center divider in the highway. 

 ONCOMING TRAFFIC MAY BE FAST* 



11.10 02.45 Junction of Routes 51 and 71. 



11.30 00.20 Turn left onto a secondary blacktop road just beyond the 

 center divider. 



11.45 00.15 Turn right (east). Cross railroad track and pass twin 

 silos on the right. 



12.10 00.65 Continue straight ahead on gravel road. The blacktop 

 road turns right. 



