https://www.mdeq.ms.gov/geology/work-areas/publications-and-map-sales/categories/open-file-reports/ofr-330-60275/ 2020-05-08T17:48:29+00:00 monthly 0.6 https://www.mdeq.ms.gov/geology/work-areas/publications-and-map-sales/categories/open-file-reports/ofr-319-cretaceous-campanian-bivalves-of-the-coffee-sand-in-mississippi-60272/ 2020-05-08T15:58:59+00:00 monthly 0.6