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.
Colorado, Washington Become First States to Legalize Recreational Marijuana. In a groundbreaking move, Colorado and Washington voters have passed referendums legalizing marijuana for recreational use. The drug is still banned under federal law. Colorado's Proposition 64 to the state's constitution makes it legal for anyone over the age of 21 to possess marijuana and for businesses to sell it. The voters have spoken and we have to respect their will, Colorado Gov. John Hickenlooper said in a statement.