19, 1980, and includes in its area the former Gran Quivira National Monument, which was proclaimed in 1909, and two state ... A paved road leads to the top of the bluff, which offers a broad panorama of the valley. The excellent museum at headquarters contains a specially built wing containing paintings by the pioneer artist and photographer William H. Jackson. ... It was formed about 900 years ago around a volcanic vent; one of the most important results of its activity was theanbsp;...
|Title||:||Collier's Encyclopedia, with Bibliography and Index|
|Author||:||William Darrach Halsey, Emanuel Friedman|