Article X
Sec. 14: The state shall not be a party to, nor be interested in, any work of internal improvement, nor engage in carrying on any such work, except:
1. In the development, improvement and control of or aiding in the development, improvement and control of public roads, harbors of refuge, water-ways, airways, airports, landing fields and aeronautical facilities;
2. In the development, improvement and control of or aiding in the development, improvement and control of rivers, streams, lakes and water levels, for purposes of drainage, public health, control of flood waters and soil erosion
,;3. In
thereforestation,andprotection and improvement of landsowned byin the state of Michigan;and4. In the expenditure of grants to the state of land or other property.