This is based on the number of localities entered for mineral species and is therefore slanted towards minerals interesting to collectors with less coverage of common rock-forming-minerals so it does not give an undistorted distribution of Oxygen mineral species.
It has been legal to grow medical marijuana since 2010 in Arizona, which has about 88,000 patients qualified to obtain it from state-approved dispensaries. Patients must live more than 25 miles from a dispensary to grow their own pot. But there is a move to put a proposal to legalize marijuana on the ballot in 2016.
Currently, there are approximately 40,000 medical marijuana patients and 100 operating state-licensed dispensaries in Arizona. The Arizona Medical Marijuana Act is operated by the Arizona Department of Health Services (ADHS). Below is a summary of the Arizona Medical Marijuana Act.