Coal Mine Cartoons

Coal Mine Cartoons

Coal Mine cartoon 1 of 4

Coal Mine cartoon

"Has there been any unusual activity in our stock? The canary just died."

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Coal Mine cartoon 2 of 4

Coal Mine cartoon

"How about air-quality canaries on every flight?"

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Coal Mine cartoon 3 of 4

Coal Mine cartoon

Coal-Fired Pizza

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Coal Mine cartoon 4 of 4

Coal Mine cartoon

"No coal here, either - but you never know until you look."

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More cartoons with the keyword 'coal mine'