Digital geologic map and database of the Frederick 30 X 60 minute quadrangle, Maryland, Virginia, and West Virginia
收藏DataONE2016-10-29 更新2024-06-26 收录
下载链接：
https://search.dataone.org/view/485a3a8f-4562-460d-8377-db79b34533ec
下载链接
链接失效反馈官方服务：
资源简介：
The geology of the Frederick 30 by 60 minute quadrangle, Maryland, Virginia, and West Virginia, was mapped on 1:24,000-scale base maps from 1989 to 1994. The geologic data were manually compiled at 1:100,000-scale in 1997 and were digitized and converted to Arc/Info GIS coverages from 1998 to 1999.
创建时间：
2016-10-29
