11.   All of these are tolerant of shade and of the acid clay soil Boston specializes in.

12.   All across the southern rim of Lake Erie, factories made of brick begin to metamorphose back into clay soil under the harsh illumination of security lights .

13.   But if your lawn is already growing in heavy clay soil, Fender and Lane say the best way to dramatically improve the quality of your grass is aeration.

14.   Cultivation is remarkably easy, even in heavy clay soil.

15.   For some other structures of the time, hard clay soil provided a firm base.

16.   For the clay soils that predominate in the Bay Area, that means lots of amending.

17.   How to amend your clay soil for gardening.

18.   If you have the thick clay soil most common in this area, that will take up to an inch of water.

19.   In forming a wall, they were mortared with mud and plastered with clay soil.

20.   It is raised there in the rich, loamy red clay soil nearly year round, with the bulk of the harvest taking place from December until June.