an OROQB M'lllc SKTECH OF KOREA. 21 



effecl on ihe step-land scenery as in the case of the sea-board ridee. 



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ye1 I believe I have seen many knife-cul edges during my traverses 

 across the interior plateau, 300 meters high. 



The Inland Ridge seems to start from Kö-chyöi in the southern 

 archipelago^ and crossing a channel to Thyön-chä-bong^ of Ung-chh- 



yön 3) it passes over the deflected course of t he Nak-tone ( rang at Sam- 

 pang-jin 4) . Then it goes by Mil-yang 6) and Chä-in 6) 5 and Ha-yang 7 ' 

 and Eui-syöng 8) , at the last village I saw this low but sharp ridge of 

 green tulr' and red shale, having the appearance of quite a fresh 

 lislocation. The ridge is seen also east of Pong-hoa 9) in the granitic 

 Thai-Päik-san region, and after deflecting to the west it penetrates 

 into the little known area of Paleozoic terrane of the upper Han 

 river. I have crossed it at Tai-hoa l0) on the Tai-koal-lyöng road, and 

 it passes west of In-tyoi which is located in a depression between this 

 and the Median ridge. Again I have crossed the same ridge midway 

 between Chhyang-do and the Diamond Mountain at Kan-bal-ko 10 , 

 where it trends N. 30° W., and terminates at the entrance of Won san 

 harbour. 



Anothtr ridge of similar structure, lying to the ivest of the above 

 named, seems to begin at the head of Ma-san-pho 12) , and proceeds by 

 Chhil-ùon 13) , Yöng-san 14) , Hyön-phung 15 >, Chhil-kok 10) , and Pi-an ,7 \ 

 along the east side of the Nak-tong Gang. This should be called the 

 Ma-xan-pho Ridge. 



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