There is a mystery smokestack on Capitol Hill. You may have seen it behind St. Peter’s Church at 2nd and C St. SE. Below is an image sent to us by GoDCer Geoff a while back, asking what this smokestack was. If anyone in the GoDC community knows, please email us at hello@ghostsofdc.org.

Here is the satellite view from Google Maps. The smokestack is in the middle, behind the church.
Below is what the block looked like in the 1921 Baist map. I see no evidence of a smokestack.

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