Digital Geologic Map of International Boundary and Water Commission Mapping in Amistad National Recreation Area, Texas and Mexico (NPS, GRD, GRI, AMIS, IBWC digital map)

The Digital Geologic Map of International Boundary and Water Commission Mapping in Amistad National Recreation Area, Texas and Mexico is composed of GIS data layers...由国际边界与水委员会（International Boundary and Water Commission）在得克萨斯州及墨西哥境内阿米斯塔德国家游乐区（Amistad National Recreation Area）开展测绘所形成的数字地质图，由地理信息系统（Geographic Information System, GIS）数据图层组成……