Congressional Serial SetU.S. Government Printing Office, 1908 - United States |
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Alaska Anthracite anticline Arkansas coal auriferous basin beach bed rock bench bowlders Bull Cape Nome Chickaloon chloritic clay coal bed coal field Coal Hill coastal plain Collier contain creek bed deposits dips district ditch Drill hole east erosion extends fault feet thick formation Fort Smith geology Glacier granite gravel greenstone Gulch Hartshorne Hartshorne sandstone horizon inches Indian Territory Kigluaik Mountains Kougarok Kuzitrin limestone lower Matanuska Matanuska River mica schist miles mineral mining mouth Neuropteris Niukluk Niukluk River Nome and Norton Nome group Norton Bay Norton Bay regions nuggets occur Ophir Creek outcrop pay streak pebbles Pecopteris placer gold Port Clarence probably prospecting quartz reconnaissance reported Rept Ridge sample sand sandstone schist Seward Peninsula shaft Shale Shale roof slope sluice boxes Spadra Sphenophyllum stratigraphic stream surface syncline Talkeetna tributary U. S. Geol upper valley veins