1. Colorado Division of Criminal Justice Department of Public Safety. Impacts of marijuana legalization in colorado: A report pursuant to senate bill 13-283 2018. Available at: https://cdpsdocs.state.co.us/ors/docs/reports/2018-SB13-283_Rpt.pdf. Accessed November 2018.
2. Ogden Memo: Investigations and Prosecutions in States Authorizing the Medical Use of Marijuana 2009. Available at: https://www.justice.gov/archives/opa/blog/memorandum-selected-united-state-attorneys-investigations-and-prosecutions-states. Accessed November 2018.
3. Cole, Memo: Guidance Regarding Marijuana Enforcement 2013. Available at: https://www.justice.gov/iso/opa/resources/3052013829132756857467.pdf. Accessed November 2018.
4. Sessions nixes Obama-era rules leaving states alone that legalize pot 2018. Available at: https://www.cnn.com/2018/01/04/politics/jeff-sessions-cole-memo/index.html. Accessed January 2018.
5. Interactive NSDUH State Estimates: Substance Abuse & Mental Health Data Archives 2015. Available at: https://pdas.samhsa.gov/saes/state. Accessed November 2018.