Read the graph from the OP's article. The increase of actual mining jobs is 1,000. Most of the job increase is in support activities for mining, and 33 thousands of those are in oil and gas not mining. This is crafted spin.
But the biggest problem with Pruitt’s statistic is that most of the gain in “mining” jobs has nothing to do with coal. Most of the new jobs were in a subcategory called “support activities for mining,” which accounted for more than 40,000 of the new jobs since October and more than 30,000 of the jobs since January. Here’s that BLS data:
are in oil and gas operations.
The plunge in oil prices that started in 2014 wiped out nearly 200,000 jobs in the oil and gas support sector by October, but a recent stabilization in oil prices has helped bring some of those jobs back. It has little to do with administration policy — and nothing to do with coal mining.