https://www.mdeq.ms.gov/geology/work-areas/publications-and-map-sales/categories/books/mississippi-environmental-geology-45954/ 2019-03-15T13:38:46+00:00 monthly 0.6 https://www.mdeq.ms.gov/geology/work-areas/publications-and-map-sales/categories/geological-survey-reports/general-geology-and-mineral-resources-of-the-mendenhall-west-quadrangle-mississippi-45958/ 2019-03-14T15:54:58+00:00 monthly 0.6