Bulletin, 325-329. sayılarU.S. Government Printing Office, 1949 |
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100 sonuçtan 1-5 arası sonuçlar
Sayfa 22
... tributary streams . A somewhat earlier stage is indicated by the general lowland area above the flood - plain level , while a much earlier stage is represented by the level - topped ridges and hills surmounting this lowland . The ...
... tributary streams . A somewhat earlier stage is indicated by the general lowland area above the flood - plain level , while a much earlier stage is represented by the level - topped ridges and hills surmounting this lowland . The ...
Sayfa 4
... tributary from trunk glacier FIG . 1. Section across Matanuska River at Conglomerate Mountain___ 2. Sketch showing location of Chickaloon tunnels _‒‒‒‒ 3. Section showing relation of anthracite to intrusive diabase near Purinton Creek 4 ...
... tributary from trunk glacier FIG . 1. Section across Matanuska River at Conglomerate Mountain___ 2. Sketch showing location of Chickaloon tunnels _‒‒‒‒ 3. Section showing relation of anthracite to intrusive diabase near Purinton Creek 4 ...
Sayfa 7
... tributary to Susitna River . In the southeastern por- tion of the area the headwaters of Susitna , Copper , and Matanuska rivers form a closely interlocking network of streams . The Susitna is the largest river of the region . This ...
... tributary to Susitna River . In the southeastern por- tion of the area the headwaters of Susitna , Copper , and Matanuska rivers form a closely interlocking network of streams . The Susitna is the largest river of the region . This ...
Sayfa 19
... tributary to Matanuska River . Inoceramus cf. lucifer Eichwald . Pleuromya . Pleurotomaria . Phylloceras . Stephanoceras . Oppelia ? 6 A. K. 88B . Same locality as preceding , but found in float bowlder in stream bed . Inoceramus ...
... tributary to Matanuska River . Inoceramus cf. lucifer Eichwald . Pleuromya . Pleurotomaria . Phylloceras . Stephanoceras . Oppelia ? 6 A. K. 88B . Same locality as preceding , but found in float bowlder in stream bed . Inoceramus ...
Sayfa 31
... tributary of the Nelchina show coarse gravels of subangular to well - rounded character . With this stream - worn material are asso- ciated numerous glacially scored bowlders and occasional angular blocks up to 10 feet in size . The ...
... tributary of the Nelchina show coarse gravels of subangular to well - rounded character . With this stream - worn material are asso- ciated numerous glacially scored bowlders and occasional angular blocks up to 10 feet in size . The ...
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Sık kullanılan terimler ve kelime öbekleri
Alaska Arkansas auriferous average basin beach beam bed rock bench Bendeleben Mountains boiler efficiency bowlders Cape Nome carbon cent Chickaloon chloritic clay clinker coal bed coal field coastal plain Collier combustion-chamber temperature creek bed curve deposits district ditch Drill hole dry coal east efficiency 72 fault feet thick formation Fort Smith fossils furnace Geological Survey geology granite gravel greenstone Gulch Hartshorne hydrogen inches Kigluaik Kigluaik Mountains Kougarok limestone lower Matanuska Matanuska River material miles mineral mining Mountains mouth Neuropteris Niukluk River Nome group Norton Bay Norton Bay regions Number of tests Ophir Creek outcrop pay streak placer gold Port Clarence pound of combustible pounds of dry probably quartz ratio reconnaissance reported River sample sand sandstone schist Seward Peninsula shaft Shale Shale roof shows slope Spadra stream surface tion tributary U. S. Geol upper valley veins
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