A subsurface drain, some fifty feet long and connected with the gutter of an intersecting road, took care of the lawn.
The effect in a given region depends to a large degree on local surface and subsurface geologic conditions.
I'll have the subsurface part, from the sixth floor down, airsealed.
There was a vast amount of whisper and low-toned wordiness, subsurface complaint and counter-complaint.
A number of interesting methods of providing for subsurface structures are shown in photographs pages 51 to 54.
The submarine has two sets of engines, one for surface travel and the other for subsurface travel.
At 125th Street and Lenox Avenue one of the most complicated network of subsurface structures was encountered.
In order to recharge these batteries and gain motive power for subsurface travel, the submarine has to come to the surface.
It also soon appeared that the German U-boats would not fight our subsurface vessels.