50th Anniversary of Interstate Highways 1956-2006
In the Federal-Aid Highway Act of 1944, Congress acted on recommendations from Interregional Highways . The legislation called for designation …
colorado history
Colorado’s Constitution
CoSPL has many resources for researching the Colorado Constitution, including text of the Constitution itself (updated most years; current edition …
Biographies…In State Documents?
Believe it or not, CoSPL’s collection contains a variety of biographies. We have many “real” published books, including those published …
Mining for Facts
Mining was one of the industries most important to shaping our state’s history and growth, and many Colorado mountain towns …
March: Women’s History Month
By Presidential Proclamation, March is designated Women’s History Month to honor the contributions that women have made in our society. …
History of Education in Colorado
The State Publications Library, part of the Colorado Department of Education, has a wide variety of information pertaining to the …