North America . Rl FERENCE TO < OU I Mixed Wood and G (H Fores) * , partly *i » ^ Mountain Flora i1 Aid; I CHARACTERISTIC VEGETATION. c POLITICAL GEOGRAPHY 419 ginning at the east, a river boundary for some 900 miles,namely, the middle of the Rio Grande, or its deepest channel,when there is more than one, to where the river crosses theparallel of latitude 310 47; continuing westward, the lineis in part an astronomical and in part an arbitrary boundaryto the Pacific. The nature of the boundaries separating the several prov-inces of Canada, the various States of the United S


North America . Rl FERENCE TO < OU I Mixed Wood and G (H Fores) * , partly *i » ^ Mountain Flora i1 Aid; I CHARACTERISTIC VEGETATION. c POLITICAL GEOGRAPHY 419 ginning at the east, a river boundary for some 900 miles,namely, the middle of the Rio Grande, or its deepest channel,when there is more than one, to where the river crosses theparallel of latitude 310 47; continuing westward, the lineis in part an astronomical and in part an arbitrary boundaryto the Pacific. The nature of the boundaries separating the several prov-inces of Canada, the various States of the United States andof Mexico, the republics of Central America, are indi-cated approximately on the accompanying map. These lineswhen studied on larger-scale maps on which the drainageand relief are also shown reveal many features of interest. POLITICAL CONTROL The political subdivisions of North America in 1900 aretoo well known to require specific description at this long-continued struggles and rivalries that have led tothe present subdivision of territory pertain to history, andalthough full of interest from the point of view of the geog-r


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Keywords: ., bookcentury1900, bookdecade1900, bookidnorthamerica, bookyear1904