Correlation Table Prepared by R. A. Daly. 
1 
Summit series, Selkirk, 
range, 49° N. Lat. 
2 
Purcell series, 
Purcell range, 
49° N. Lat. 
3 
Coeur D’Alene 
series (1). 
4 
Series in Cabinet 
range (1). 
5 
Series in Philipsburg 
district (2). 
6 
Series in Mission 
range (3). 
7 
Galton series, Galton 
range, 49° N. Lat. 
8 
Lewis series, Clarke 
and Lewis ranges, 
49° N. Lat. 
9 
Series in Belt 
mountains (4) 
10 
Castle Mountain 
Bow River series (5) 
11 
Series at Blacksmith 
Fork, Utah (5). 
12 
System. 
Conformity with upper Pa- 
laeozoic? 
Erosion surface. Erosion surface. 
? 
Conformity with upper 
Palaeozoic. 
7 
Erosion surface. 
Erosion surface. 
Conformity w r ith up- 
per Palaeozoic. 
Conformity with up- 
per Palaeozoic. 
Conformity with upper 
Palaeozoic. 
Sherbrooke, 1,375 
feet. 
Paget, 360+feet. 
Bosworth, 1,855+ 
feet. 
St. Charles, 1,227 feet. 
Upper Cambrian. 
Lone Star, 2, 000+feet. 
Moyie 3, 400+feet. 
Striped Peak, 1,000 
+feet. 
Striped Peak, 2,000 
+ feet. 
Meagher, 400 feet. 
Wolsey, 100-300 feet. 
Flathead, 50-300 feet. 
Flathead. 
Thickness. ? 
Camp Creek, 11,700 
(?) feet. 
Roosville, 600+feet. 
Phillips, 550 feet. 
Gateway, 1,850 feet. 
Kintla, 820 feet. 
Sheppard, 500 feet. 
Gallatin. 
Flathead. 
Eldon, 2,728 feet. 
\ 
Stephen, 640 feet. 
Cathedral, 1,595 
feet. 
Nouman, 1,041 feet. 
Bloomington, 1,320 feet. 
Blacksmith, 570 feet. 
Ute, 729 feet. 
Spence, 30 feet. 
Langston, 498 feet. 
Brigham, upper part. 
Chiefly Middle 
Cambrian. 
Beehive, 7,000 feet. 
Kitchener, upper 
part, 6, 000 ± feet. 
Wallace, 4,000 feet. 
St. Regis, 1,000 feet. 
Blackfoot (called 
Newland by Cal- 
kins) 5,000 ± feet. 
Camp Creek, 0-5,000 feet 
Blackfoot, 4,000 feet. 
Blackfoot, 4,805 feet 
Gateway, lower part, 125 
feet. 
Siyeh, 4,000 feet. 
Sheppard, lower part 
100 feet. 
Siyeh, 4, 100 feet. 
Marsh, 800 feet. 
Helena, 2,400 feet. 
Empire, 600 feet. 
. 
Middle. 
Cambrian. 
Ripple, 1, 650 feet. 
Dewdney, 2,000 feet. 
W olf , upper part , 1 ,000 ± feet. 
Kitchener, lower 
part, 1, 400 ± feet. 
Creaton, upper part, 
3, 000+feet. 
Revett, 1,200 feet. 
Burke, 2,000 feet. 
Prichard , upper part, 
1 , 500 ± feet. 
Ravalli, upper part, 
5. 000 + feet. 
Ravalli, lower part, 
3. 000 + feet. 
Ravalli, 2,000 feet. 
Prichard, upper part, 
2, 000 + feet. 
Ravalli, upper part, 
4,550 feet. 
Wigwam , 1 , 200 feet. 
MacDonald, 2,350 feet. 
Hefty, 775 feet. 
Grinnell, 1,600 feet. 
Appekunny, 2,600 
feet. 
Spokane, 1,500 feet. 
Greyson, 2,000 + feet 
Mount Whyte, 390 
feet. 
St . Piran, 2,705 feet. 
Lake Louise, 105 feet. 
Fairview, 600+feet. 
Brigham+1,232 feet. 
Lower Cambrian. 
Wolf, lower part, 1,900 + 
feet. 
Monk, 5,500 feet. 
Irene Volcanic formation, 
6, 000 ± feet. 
Irene conglomerate 5,000+ 
j , • ( - 1 
Total,' 32, 050+feet. 
Creston, lower part, 
6, 500 ± feet. 
Base concealed. 
Total, 20,300+feet. 
Prichard, lower part 
6, 500+feet. 
Base concealed. 
Total, 17,200+feet. 
Prichard, 10,000 + 
feet. 
Base concealed. 
Total, 27, 000+feet. 
Prichard, lower part, 
3, 000 + feet. 
Neihart, 1,000 + feet. 
Base concealed. 
Total, 12,550-18,000 feet. 
Ravalli, lower part, 
4, 000+feet. 
Base concealed . 
Total, 25,055 feet. 
Altyn, 650 feet. 
Base concealed. 
Total, 12, 100 feet. 
Altyn, 3,500+ feet. 
Waterton, 200+ feet. 
Base concealed. 
Total, 13,420 feet. 
Grey son, 1,000+ feet 
Newland, 2,200 feet. 
Chamberlain, 1 , 500 
feet. 
Neihart, 700 feet. 
Total, 14,000+ feet. 
Continuation of Bow 
River argillites. 
Base concealed. 
Total, 12,353+ feet. 
Base concealed. 
Total, 6,647+feet. 
Beltian. 
Unconformity. 
Unconformity. 
Priest River terrane. 
Cherry Creek beds 
Unconformity. 
L 
“Archsean.” 
(1) F. C. Calkins, Bull. 384, U. S. Geol. Survey, 1909, p. 40. 
(2) F. C. Calkins, Bulls. 384 and 315, U. S. Geol. Survey, 1909 (p. 40) and 1907 (p, 33). 
(3) C. D. Walcott, Bull. Geol. Soc. America, Vol. 17, 1906, p. 2. 
(4) C. D. Walcott, Bull. Geol. Soc. America, Vol. 10, 1899, p. 201, and references therein, to Peale and Weed. 
(5) C. D. Walcott,, Smithsonian Misc. Collections, Vol. 53, No. 1812, 1908. 
56815— p. 90a 
