History of Clear Creek and Boulder Valleys, Colorado. Containing a brief history of the State of Colorado [by W. B. Vickers] ... a history of Gilpin, Clear Creek, Boulder and Jefferson Counties [respectively by J. Burrell, A. Frost, A. Bixby and E. L. Berthoud] and biographical sketches
![History of Clear Creek and Boulder Valleys, Colorado. Containing a brief history of the State of Colorado [by W. B. Vickers] ... a history of Gilpin, Clear Creek, Boulder and Jefferson Counties [respectively by J. Burrell, A. Frost, A. Bixby and E. L. Berthoud] and biographical sketches](https://thumbs.oldmapsonline.org/b0/0dfd1dc0a5304c84916721d07e7ee7ea.thumbnail-1000.webp?token=vzp3G2C4lKed6o5egNTLhxjMzTTpz5j1BOC0_wxmeHg&expires=1751463484)