Photograph of John, Irene, Byrd III, and Charles standing among the rock formations at the Garden of the Gods park in Colorado Springs. John, Irene, and Charles stand facing the camera while Byrd is turned to the side. On the left, an automobile can be seen driving on the dirt road.

Photograph of two of the rock formations at the Garden of the Gods park in Colorado Springs, Colorado.

Report discussing the weed commonly known as dodder or love vine and methods for controlling it. If procedures are properly followed, eradication of the weed in the United States is possible. Topics include varieties of dodder and plants that susceptible to attack by it, its life cycle, and ways it is unintentionally introduced to farms.

Report discussing the beet leaf-beetle, which is common in the Rocky Mountain region. Discussion include physical appearance, geographic distribution, life cycle, affected plants, and methods of control.

This bulletin discusses take-all, a fungal disease of wheat, and methods for controlling it. It also describes the distribution, symptoms, and causes of take-all.

Report discussing the the development of milling practice in Boulder County, the ore-dressing methods in use, and the local manufacture of ferrotungsten and tungstic oxide. Figures giving the production of tungsten concentrates in the Boulder district, in the United States, and in the world; data on the buying of tungsten ores; costs of production; and the normal tungsten requirements in this country are presented.