Photos from
HydrogeologyPhotos from
Hydrogeology
Large sinkhole in a
farmer's field in eastern Pennsylvania near Allentown. Trees grow
in the sinkhole because the farmer cannot plant in the hole.
Sinkhole again.
Slug testing a
monitoring well near the maintenance building.
Slug testing.
Slug testing.
Slug testing.
Slug testing.
Slug testing.
