138 BULLETIN 12, UNITED STATES NATIONAL MUSEUM. 



(1) Martite, sesquioxule, of iron pssudomorph after iiiaguetitB. Common wealth 

 Mine, Menomonee. December Ifj, 1879. (41497.) 



(2) Hematite. Commonwealth Mine, Menomonee. December 15, 1879. (41693.) 



JACKSON COUNTY. 



(1) Impure hematite. Blackriver Falls. November 2G, 1880. (42092.) 



(1) Hematite. 



(2) Hematite. 



(3) Hematite. 



(4) Hematite. 

 (.")) Hematite. 

 (G) Hematite. 



(7) Hematite. 



(8) Hematite. 



(9) Hematite ; 



(10) Hematite. 



(11) Hematite. 



(12) Hematite. 



(13) Hematite. 



Pit No. 14. 

 Vermillion 

 Pit No. 14. 

 Vermillion 

 Vermillion 

 Pit No. 3. 

 Vermillion 

 Vermillion 

 [ind jasper. 

 Vermillion 

 Vermillion 

 Vermillion 

 Vermillion 



MIXXESOTA. 



Vermillion Lake. 

 Lake. November 7 



Vermillion Lake. 

 Lake. November 

 Lake. November 

 Vermillion Lake. 

 Lake. October 22 

 Lake. October 30 

 Vermillion Lake. 

 Lake. October 30 

 Lake. November 

 Lake. November 

 Lake. October 22 



October 30, 1880. (43G19.) 

 7, 1880. (43G14.) 



October 30, 1880. (43G21.) 

 9,1880. (43623.) 

 7, 1880. ('42273.) 

 October 23, 1880. (42,^65.) 

 , 1880. (42261.) 

 , 1880. (41718.) 

 November 4, 1880. (41717.) 

 , 1880. (42267.) 

 30, 1880. (42269.) 

 7, 1880. (42272.) 



1880. (42263.) 



COLORADO. 

 BOULDER COUNTY. 



(1) Magnetite. Caribon Mine. October 14, 1880. (41840.) 

 ^ (2) Impure hematite. Mar.shall Mine. October 5, 1880. (41839.) 



CHAFFEE COUNTY. 



(1) Impnre magnetite. Calumet Mine, Calumet. March 3, 1881. (41870.) 



COSTILLA COUNTY. 



(1) Magnetite, surface specimen. Ainsworth Mine, near Placer. October 24, 1880. 



(41842.) 



FREMONT COUNTY. 



(1) Magnetite, containing feldspar and quartz. Iron Mountain Mine, near Pine 

 Creek. November .5, 1880. (41848.) 



(2) Magnetite. Iron Mountain Mine, near Pine Creek. November .5, 1880. (41849.) 



LAKE COUNTY. 



(1) Limonite. Amie Mine, Leadville. November 1.5, 1880. (41855.) 



(2) Impure limouite. Amie Mine, Leadville. November 15, 1880. (418G0.) 



(3) Limonite. Brnce Mine, Leadville. November 15, 1880. (41859.) 



SAGUACHE COUNTY. 



(1) Limonite. Bee Hive Mine. November 12, 1880. (418.52.) 



(2) Limonite. Poor Man's Mine. Smith's (Julcli. November 12, 1880. (41868.) 



(3) Limouite. Prospect Mine. Noveml)er 12, 188U. (41867.) 



