Another way that a drought is bad
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I have a cob oven in my back yard and when I went to light a fire recently I noticed a missing brick near the back but upon further inspection I found that the floor had collapsed beneath the bricks. The drought of this past summer/autumn had caused a crack to open up near the back of the oven and I figure the crushed rock and gravel had shifted and caused a sink hole in the sand bed under the bricks.