By SUSAN MONTOYA BRYAN ABIQUIU, N.M. (AP) — At the edge of a sandstone outcropping, Teresa Leger Fernández looks out on the Rio Chama. The river tracks a diverse landscape from the southern edge of the Rocky Mountains through rugged basalt hillsides, layers of volcanic tuff, and the red and yellow cliffs made famous by painter Georgia O’Keeffe. Here marks the genesis of New Mexico’s centuries-old tradition