Van Buren County has 109 cemeteries, 63 of these are deemed "pioneer" cemeteries.You can download a complete Van Buren County cemetery map/listing with GPS coordinates here or you can research individual cemeteries. In addition, you’ll find maps and a list of surnames associated with each cemetery here.
Van Buren County Genealogical Society has a very extensive collection of materials located at the Keosauqua Public Library The Library hours are Monday, Tuesday & Friday 1:00pm - 5:00pm, Wednesday 1:00pm- 8:00pm, Thursday 10:00am- 5:00pm and Saturday 10:00am- 1:00pm.
The Van Buren County IAGenWeb also maintains and updates http://iavanburen.org/ which contains numerous resources for family history research. IAGenWeb also provides the Van Buren County Gravestone Photo Project and the Van Buren County Graves Registration Survey.
Don Aldrich is a well-known Van Buren County genealogist that can provide research assistance. He is also very active with cemetery and gravestone restoration.