An act relating to public improvements; authorizing the acquisition and betterment of public land and buildings and other public improvements of a capital nature with certain conditions; authorizing issuance of state bonds; authorizing inter-fund borrowing in anticipation of bond proceeds; providing for bond sale expenses; authorizing covenants to secure certificates of indebtedness; fifing the boundaries of state parks and trails; postponing the deadline for fencing certain open pit mines; appropriating money.