The department was established in 1957 and has been in operations ever since, although the agency experiences several changes throughout its years. In its year of founding, only four departments existed: the division of water resources, state lands, forestry, as well as oil and gas conservation. By 1977, the oil and gas conservation division was changed into the mineral resources division, and five new divisions were also created: the division of state park, the division of conservation districts, the division of environmental protection, the division of water planning, and the division of historic preservation and archaeology. Of these nine divisions, eight of them (excluding the mineral resources division, which became the
Nevada Division of Minerals), existed in the current structure of the department, although their names have undergone some changes. == Structure ==