You and your family are very welcome.
Yes, it is the Greenwood Cemetery in Jackson, MS. You can get more information on them at this site. http://www.greenwoodcemeteryjackson.org/
Throughout the spring and summer of 1862 in the Jackson area, many Confederate troops fell ill to various maladys such as typhoid fever, chronic diarrhea and others. Most of them were treated at the 1st Mississippi C.S.A. Hospital located in Jackson.