L38 



INDEX. 



Page. 

 Maddren, A. G., quoted on coal near Cape Lisburne.. 113 



reference tr> 66 



Maguire, , exploration by 28 



MalakolT, , exploration by 27 



Marsh, S. .)., and Carter, T. G., exploration by 30-31 



Marshall. R. B.. work of 12 



Mascot Creek, gold on 100 



Mendenhall, W. C, eited on geology on Alatna and 



Kowak rivers 51 



cited on glaciation on Alatna and Kowak rivers .. .90 

 cited on igneous rock on Kanuti and Kowak rivers. 55 



exploration by 30 



reference to 71 



Merrill, E. D.. plants identified by 130 



Mesozoic rocks, description of 72-81 



Metalliferous mineralization, zones of 105-106 



Meteorologic record for 1S99, table showing 114-121 



Mica-shist. See Skajit formation; Totsen series. 



Michigan Creek, lead on 105 



Mineral resources, discussion of 9S-114 



Moraine on John River, plate showing 86 



Moraines, occurrence of ; 85-86, S7 



Mounds near Colville River 94 



Mountain province, description of 39-44 



Myrtle Creek, gold on, occurrence of 100,102 



gold on, production of 102 



Mushing, description of 14 



Nanushuk series, character and occurrence of 79 



coal in 107 



correlation of 88, 97 



fossils of, list of 80 



plate showing SO 



structure and age of 80 



Natives, number and condition of 33,35-36 



North Fork Koyukuk River, gold on 100 



Northwest coast, coal on 109-114 



Norton, C. L., cited on coal from Corwin mines 112 



Norton Sound, meteorologic observations on 121 



Nuggets, size of 101 



Nulato, meteorologic observations at. 121 



Nulato sandstone, fossils of 81 



Operations, chronologic summary of 15-17 



plan of 18 



Paleozoic rocks, description of 56-72 



structure of 55-56 



Peneplain in Endicott Mountains 42-43 



Peters, W. J., meteorologic observations by 122-123 



report on itinerary and topographic methods by .. 18-25 



work of 11 



Philip, Gaston, meteorologic observations by 125-130 



work of 11 



Phyllites. See Fickett series. 



Pickarts Brothers, acknowledgments to 13 



Placers on Koyukuk River 35 



See also Gold. 



Plants collected, list of 130-134 



Pleistocene deposits, description of 84-96 



Pleistocene flats on Colville River, plates showing 96 



Point. See next word of name. 



Population , number and conditions of 33-34, 35-36 



Porcupine Creek, gold on, production oL 102 



Precipitation at Uglaamie 123 



Prindle.L. M., aid by 103 



Pullen, exploration by 27 



Putnam River. See Kowak River, 



Quartz gash stringer, in Fickett series, view of 70 



Quartz-mica-schist. See Totsen series. 

 Quartzite. See Fickett, Nanushuk, Stuver series. 



Page. 



Rainfall. See Precipitation. 



Ray, P. H., work of OS 



Raymond. C. \\\, work of 28 



Reaburn, P. L., work of n 



Recent deposits, occurrence of 94-96 



Reed, J. L.. reference to 109 



Reed and Howard, reference to 72 



Reed, J. L., and Lucas, Walter, exploration by 31 



Rivers. Sec Drainage. 



Route, account of 18-24 



Russell, Frank, exploration by 29 



Sabine, Cape, rocks exposed at 73 



view of 5g 



St. Michael, meteorologic observations at 121 



Sand. See Gubik sand. 



Sandstone. See Anaktuvuk series; Bergman series; 

 Colville series; Corwin series; Fickett 

 series; Koyukuk series; Nanushuk series. 



Schists, chloritic. >Sce Fickett series. 



Schrader, F. C, cited on benches on Koyukuk River. 43 



cited on Bettles series 58, 64, 65, 67 



cited on Chugach Plateau 42 



cited on fossils from Chandlar River gravels 65 



cited on glacial deposits in Chandlar River Basin. 89 



cited on gold at Slate Creek 99 



cited on intrusions in Koyukuk Basin 55 



cited on Lake quartz-schist of Chandlar River 59 



cited on Kenai series 107 



cited on Koyukuk Basin 44 



cited on Koyukuk Flats 45 



cited on Koyukuk series 70 



cited on Nulato sandstone 81 



cited on West Fork series of Chandlar River 71 



cited on Yukon Plateau '.. 44 



Schrader, F. C, and Spencer, A. C., cited on Chugach 



Piateau 42 



cited on Kennicott formation 74 



Schuchert, Charles, fossil identified by 57, 65, 66, 70 



reference to 53 



work of 14 



Sedimentary rocks, description of 55-96 



table of 53 



Shale. See Bergman series; Colville series; Corwin 

 series; Koyukuk series; Nanushuk series; 

 Stuver series. 



Silt. See Colville series. 



Silurian rocks, description of 56-62 



Simpson and Dease, exploration by 26 



reference to 47, 49 



Skajit formation, age of 57-58 



character and occurrence of 56 



correlation of 58, 97 



structure of 56-57 



limestone of, views of 50, 56 



Slate. Sec Bergman, Fickett, Nanushuk, Stuver series. 



Slate Creek, gold on, occurrence of 99 



gold on, production of 102 



Sledding, description of 14-15 



Smyth, Cape, distances between Colville River and 38 



settlement at 36 



Snow. See Precipitation. 



Spencer, A. C, and Schrader, F. C, cited on Chugach 



Plateau 42 



cited on Kennicott formation 74 



Spurr, J . E. , cited on age of Yukon Plateau 43 



cited on Carboniferous fossils from Yukon Basin.. 71 



cited on Devonian m Kuskokwim region 67 



cited on Mission Creek series 76 



