GNIS website (http://geonames.usgs.gov/apex/f?p=136:1:0
:::::) shows this is Woodlawn Cemetery, located on the nw edge of Walkerton. I found a website for this cemetery, but very few listings http://www.rootsweb.ancestry.com/~instjose/cemeteries/woodla...
You might check the Saint Joseph County, Indiana INGenWeb Site http://www.rootsweb.com/~instjose/
The site has lots of links for further info and/or help. I know nothing more.