Rio Grande River sources: Rio Grande Natural Forest, San Juan Mountains, Canby Mountain
A because they tell by their texture.
Competition among nations for control of fresh water sources is your answer I believe.
-Ama
Some consequences of building the road are that it will provide loggers access to highly-valued trees, provide a more accessible trade route for merchants and farmers, affect the wildlife and water quality in the area, and possibly cause indigenous populations to relocate.