Bertha.& Bernhard Haack

Are you aware of the HAACK cemetery in Crawford Co, Missouri? Bernhard & Bertha are buried there, along with others of the family. Here's a link to the cemetery on Find_a_Grave.
Was only able to find a death certificate for one of the babies in the cemetery; listed as UNKNOWN HAACK, 1910.
Ken Thompson
StLouis, MO