Mineral Resources
Online Spatial Data
National Mineral Resource Assessment 1998
Mineral assessment tracts in Washington county, Maryland
[
Additional scientific data in this geographic area
]
EC01: Sandstone-hosted Pb-Zn (30a)
(Paleozoic)
, covers 18 % of this area
The number of undiscovered deposits in this tract was not estimated.
EC04: Mississippi Valley, Appalachian Zn (32b)
(Late Paleozoic)
, covers 15 % of this area
The number of undiscovered deposits in this tract was not estimated.
EC05: Mississippi Valley, Appalachian Zn (32b)
(Late Paleozoic)
, covers 6 % of this area
90%
50%
10%
5%
1%
0
1
3
3
4
EC06: Mississippi Valley, Appalachian Zn (32b)
(Late Paleozoic)
, covers 0.8 % of this area
90%
50%
10%
5%
1%
3
6
8
11
14