North America . above. To the west of thismagnificent sound rise the Olympic Mountains, whichbarely escape being an island at the present stage of the THE MARGIN OF THE COXTIXEXT 47 swaying of the the west, as on theeast border of the con-tinent, there aredrowned river-valleys,such as the Stikine,Frazer, Columbia, andSacramento. It is notto be understood, how-ever, that the entirePacific coast regionhas been raised or de-pressed as a have been differ-ential movements insome of its parts, butthese are not as yetwell known. In south-ern California, for ex-ample, raised beaches
North America . above. To the west of thismagnificent sound rise the Olympic Mountains, whichbarely escape being an island at the present stage of the THE MARGIN OF THE COXTIXEXT 47 swaying of the the west, as on theeast border of the con-tinent, there aredrowned river-valleys,such as the Stikine,Frazer, Columbia, andSacramento. It is notto be understood, how-ever, that the entirePacific coast regionhas been raised or de-pressed as a have been differ-ential movements insome of its parts, butthese are not as yetwell known. In south-ern California, for ex-ample, raised beachesand a narrow coastalplain about Los An-geles give evidence ofa modern rise of theland. In reference to thebroad generalizationthat the continentalmass of Xorth Americahas undergone up andd o w n m o vements,greatest at the northand decreasing south-ward, as if moving on ahinge-line running easland west in the regionof the < rulf of Mexic,it is of interest to ntethat the ragged coasts t-TT? *. ?-? k & ? (Mr \ hi J b
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Keywords: ., bookcentury1900, bookdecade1900, bookidnorthamerica, bookyear1904
