noun
or topographic youth
: the condition of a district soon after the beginning of erosion by streams when main branches have well-developed narrow valleys and the areas between the streams are little modified
noun
or topographic youth
: the condition of a district soon after the beginning of erosion by streams when main branches have well-developed narrow valleys and the areas between the streams are little modified
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012