LICENSE INFO.txt

Sound asset siren.ogg is a free to use sound licensed under Creative Commons, as seen by this link: http://www.freesound.org/people/IFartInUrGeneralDirection/sounds/46092/

Sound assets sandstorm low, med, and high sounds is Creative Commons 0 licensed, link: https://www.freesound.org/people/felix.blume/sounds/135193/ - titled: "Wind blowing in the bush on the top of Kitt Peak mountain. (USA, Arizona)"