Lint of Altitudes in Illinois. 45 



U. S. P. B. M. 37. 



Stone 10 M. from small house opposite 



foot of Sterlino; Island 43G.58 



U. S. P. B. M. 38. 



Stone 50 M. east of river bank, 800 M. 

 south from Church's Landing, and 400 M. 



north of Hoyville Landiug 433.81 



U. S. P. B. M."^ 39. 



100 M. north of upper landing, ware- 

 house, Turner's landing 435.64 



U. S. P. B. M. 40. 



90 M. back from bank, 600 M. south 



of Foot Island No. 197 433.81 



U. S. P. B. M. 41. 



74 M. east and below top of hill at West 



Point 444.89 



U. S. P. B. M. 42. 



Boulder 225 M. below warehouse at 



Hasting's Landing 442. 



U. S. P. B. M. 43. 



Bluff rock, second exposed place north 



of Martin's Landing 434.69 



U. S. P. B. M. 44. 



Upper layer of rock, 900 M. south of 



Martin's Landing 434.27 



r. S. p. B. M. 45. 



Bluff rock. Thomas's Landing. Between 



east end of coke furnace and river 427.77 



U. S. P. B. M. 46. 



Bluff rock, 1 mi. below Dixon's Landing. 453. 

 U. S. P. B. M. 47. 



Bluff rock, 350 M. north of Pount Land- 

 ing 430.46 



Batchtown J. C. Turner 450 



Beechville " 620 



Belleview " 440 



Brussels " 530 



Bverton " 600 



Ciiffdale " 450 



Conrad " 420 



Deer Plain " 450 



Gilead '' 4S0 



Golden Eagle " 430 



Hamburg " 435 



Hardin " ...; 440 



Kampsville " 425 



