PETOGRAPIIIC GEOLOGY. 79 



Geographical location of rock samples.] 



Nos. 797 to 806. Taylor's Falls, East St. Cloud, Watab. 



Nos. 807 to 819. Pond du Lac and Duluth to Beaver Bay. 



Nos. 820 to 829. Taylor's Falls and southward along the St. Croix river. 



Nos. 830 to 838. Sioux Falls, S. D., New Ulm, etc. 



Nos. 839 to 802. Sank Rapids, Motley, Pike Rapids, Courtland (Nicollet county), Duluth, Sauk Centre. 



Nos. 863 to 1000. Vermilion lake eastward to Fall lake, Birch lake, Kavvishiwi river, Long lake. 



Nos. 1001 to 1109. From Long lake eastward to Kekequabic and Ogishke Muncie lakes. 



Nos. 1110 to 1140. Collected by Dr. Wadsworth about White Iron and Birch lakes. 



Nos. 1141 to 1147. From the Marquette and Gogebic Iron ranges. 



Nos. 1148 to 1215. From the original Huronian region in Canada. 



Nos. 1216 to 1255. From the Marquette region. 



Nos. 1256 to 1263. From the Gogebic Iron range. 



Nos. 1264 to 1452. From Grand Marais to Brule mountain, Gunflint lake, Akeley (Chub), Gabimichigam a 

 Ogishke Muncie, Kekequabic and Knife lakes to Tower. 



Nos. 1453 to 1456. From Black River Falls, Wis. 



Nos. 1457 to 1500. Collected by F. N. Stacy, northward from Gunflint lake. 



Nos. 1501 to 1514. Tower and Ely. 



Nos. 1515 to 1546. Redwood Falls, Pokegama falls, Duluth. 



Nos. 1547 to 1572. Vicinity of Tower. 



Nos. 1573 to 1606. Sudbury, North Bay and the Original Huronian region. 



Nos. 1607 to 1614. Vicinity of Cloquet. 



Nos. 1615 to 1626. Ely and vicinity. 



Nos. 1627 to 1644. Mesabi Iron range, Republic mountain. 



Nos. 1645 to 1669. Potsdam, N. Y., and the northern slopes of the Adirondacks. 



Xos. 1670 to 1687. Little Falls and Philbrook, Morrison county. 



Nos. 1688 to 1714. Mesabi Iron range. 



Nos. 1715 to 1778. Kawishiwi river, Snowbank, Kekequabic, Knife, Zeta and Gabimichigama lakes. 



Nos. 1779 to 1785. Eastward from Gabimichigama lake to Muscovado lake. 



Nos. 1786 to 1806. Ely, Virginia, Duluth. 



Nos. 1807 to 1859. Grand Marais eastward to Pigeon point and return to Grand Marais. 



Nos. 1860 to 1906. From Grand Marais north on the Iron trail to Misquah hills, Brule lake, Akeley (Chub) 

 lake, Gunflint lake and Puckwunge valley. 



Nos. 1907 to 1927. Iron mountain, Mich., Quinnesec falls, Republic mine. 



Nos. 1928 to 1937. Keweenaw copper range, Calumet and Hecla. 



Nos. 1938 to 1941. Gogebic range. 



Nos. 1942 to 1953. Short Line Park, Cloquet. 



Nos. 1954 to 1968. Ely, Soudan, Duluth. 



Nos. 1969 to 1979. Carlton county. 



Nos. 1980 to 2030. Ortonville, Vermilion lake. 



Nos. 2031 to 2048. Knife and Saganaga lakes. 



Nos. 2049 to 2065. Gunflint, Loon and Rove lakes. 



Nos. 2066 to 2078. Puckwunge valley. 



Nos. 2079 to 2091. Carlton county. 



Nos. 2092 to 2113. Ely and Long lake. 



Nos. 2114 to 2128. Long and Burntside lakes. 



Nos. 2129 to 2134. Taylor's Falls. 



Nos. 2135 to 2144. Mesabi Iron range. 



Nos. 2145 to 2191. To Snowbank lake via Fall, Saturday, Urn, Bassimenan, Oak Point, Pine and 

 Moose lakes. 



Nos. 2192 to 2214. Snowbank and Disappointment lakes to Prairie portage. 



Nos. 2215 to 2274. To Snowbank lake via Kawishiwi river, Triangle, Northwestern and Moose lakes. 



Nos. 2275 to 2280. Vermilion lake and the " burnt forties." 



GRAND DIVISIONS OF THE COAST LINE. 



Cabotian gabbro and Beaver Ba// 

 Short Line Park to Duluth. 

 Splitrock river to the base of the Great Palisades. 

 Brule river to the west side of Deronda bay. 

 As sills and dikes iu the Animikie to Pigeon river and Pigeon point. 



