Digital Geologic-GIS Map of Walnut Canyon National Monument and Vicinity, Arizona (NPS, GRD, GRI, WACA, WACA digital map) adapted from a Northern Arizona University unpublished digital data map by Raucci, J., Blythe, N., Ort, M., and Manone, M. (2003)

The Digital Geologic-GIS Map of Walnut Canyon National Monument and Vicinity, Arizona is composed of GIS data layers and GIS tables, and is available in the following...亚利桑那州沃尔纳特峡谷国家纪念地及周边区域数字地质地理信息系统（Geographic Information System，简称GIS）地图由GIS数据图层与GIS数据表构成，可通过以下方式获取……