Whether, given the imperative balance between economic development through mining activities and the preservation of land and agricultural viability in Mpumalanga, her department has accurate data indicating the extent of arable land compromised due to mining operations in the province; if not, does the absence of such data not point to a potential oversight in reconciling economic progress with sustainable land management; if so, what are the specific details on the land loss and its long-term implications for agriculture and rural development in the region?