From the record
“The Dennis Melcher Pottery and House are historic structures located southwest of Danville, Iowa, United States. Dennis Melcher and his brother Edward were both born in Baden, Germany and immigrated to Burlington, Iowa in the 1840s.”
Wikipedia article Dennis Melcher Pottery and House, CC BY-SA 4.0.
One of 35 National Register listings published here for Des Moines County · listed in 2003 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service