Untitled

PfiOGEESS OF DISCOVERY FOREIGN EELATIONS. 887
PROGRESS OF DISCOVERY FOREIGN RELATIONS.
The interior of the peninsula cannot be said to be altogether unknown, since
its mountains are visible from the coast, whence even many plains and valleys may
Fig. 158. EXPLOEATIOKS OF KOREA AND SUKROUNDINO WATEUS.
Scale 1 : 700,000.
120 Mile
LofG.
be recognised. But although D'Anville's map, of which most others are a mere
reproduction, is based on native documents, the direction of the ranges, the river
valleys, and the sites of the cities are figured on it without any attempt at accu-
nor have previous labours hitherto been checked or rectified by any explorer
racy ;
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