(anon). Explosive Volcanism: Inception, Evolution, and Hazards. Studies in Geophysics. Photo available. Washington. National Academy Press. 1984. 176 pps. 4to. Decorated hard cover. First edition. Illustrated. Maps in rear pocket. Important reference work. Very scarce in this condition. Fine copy.

Price: $40	Book ID: 199574

(anon). Firewood Crops. Shrub and Tree Species for Energy Production. Photo available. Washington. National Academy of Sciences. 1981. Octavo. Soft cover. Second edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy.

Price: $20	Book ID: 172896

(anon). Foothill Counties Mining Handbook. Special Publications 86. Photo available. Sacramento. State of California. 1985. 4to. Soft cover. First edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy (light staining along edge).

Price: $20	Book ID: 188071

(anon). Forest Trees of Australia. Photo available. Canberra. Forestry and Timber Bureau. 1957. 230 pps. Octavo. Hardcover. First edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy.

Price: $30	Book ID: 193279

(anon). Fuel from Farms. A Guide to Small-Scale Ethanol Production. Photo available. Oak Ridge. U.S. Department of Energy. 1980. 4to. Soft cover. First edition. Illustrated. Important reference work. Very scarce in this condition. Near fine copy (very light shelf wear).

Price: $20	Book ID: 225010

(anon). Geology of the Ortigalita Peak Quadrangle, California. Bulletin 167. Photo available. San Francisco. Division of Mines. 1953. Octavo. Hard cover. First edition. Illustrated. Map in rear pocket. Important reference work. Fine copy.

Price: $25	Book ID: 147861

(anon). Ground Water Recharge Using Waters of Impaired Quality. Photo available. Washington. National Academy Press. 1994. 283 pps. Octavo. Soft cover. First edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy. As new.

Price: $50	Book ID: 235218

(anon). Guide Book to New Zealand Commercial Fish Species. Photo available. Wellington. New Zealand Fishing Industry Board. 1990. Octavo. Hard cover. Revised edition. Illustrated in black, white and color. Important reference work. Very scarce in this condition. Fine (owner name on end paper) copy in fine dust jacket (in mylar).

Price: $20	Book ID: 176936

(anon). Harmful Non-Indigenous Species in the United States. Photo available. Washington. Office of Technology Assessment. 1993. 392 pps. 4to. Soft cover. First edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy.

Price: $25	Book ID: 192347

(anon). Historic Civil Engineering Landmarks of San Francisco and Northern California. Photo available. San Francisco. American Society of Civil Engineering. October, 1977. 52 pps. 4to. Pictorial soft cover. First edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy.

Price: $25	Book ID: 210036

(anon). Hunger Signs in Crops. A Symposium. Photo available. Washington. The American Society of Agronomy and The National Fertilizer Assoc. 1950. 390 pps. Octavo. Decorated hard cover. Reprint. Illustrated in black, white and color. Important reference work. Very scarce in this condition. Fine copy.

Price: $20	Book ID: 198435

(anon). Integrated Pest Management for Citrus. Photo available. Davis. University California at Davis. 1991. 144 pps. 4to. Hardcover. Second edition. Illustrated in black, white and color. Important reference work. Very scarce in this condition. Fine copy.

Price: $20	Book ID: 212325

(anon). Integrated Pest Management for Cotton in the Western Region of the United States. Photo available. np. University of California, Division of Agriculture. 1984. 4to. Soft cover. First edition. Illustrated in black, white and color. Important reference work. Very scarce in this condition. Fine (small owner name on end paper) copy.

Price: $20	Book ID: 186724

(anon). International Glossary of Hydrology. 4 languages. Photo available. Washington. United Nations Educational. 1992. 411 pps. 4to. Soft cover. Second edition. Important reference work. Very scarce in this condition. Fine copy.

Price: $50	Book ID: 225730

(anon). La Cultura del Agua en la Cuenca del Segura. Photo available. np. Fundacion Cajamuricia. 2005. 404 pps. Folio. Soft cover. First edition. Illustrated in black, white and color. Important reference work. Very scarce in this condition. Fine copy. As new.

Price: $95	Book ID: 229528

(anon). Laying Out for Boiler Makers and Sheet Metal Workers. 1918 Facsimile. Photo available. [New York] Bradley. [Aldrich Publishing] Lindsay Publications. [1918] 1995. 416 pps. Folio. Gilt decorated hard cover. First edition thus. Illustrated. Important reference work. Very scarce in this condition. Fine copy. As new.

Price: $125	Book ID: 229087

(anon). Legal Guide for California Prospectors and Miners. Special Publication 40. Photo available. Sacramento. California Division of Mines and Geology. 1973. 134 pps. Octavo. Soft cover. Reprint. Important reference work. Very scarce in this condition. Fine copy.

Price: $25	Book ID: 219730

(anon). Legal Guide for California Prospectors and Miners. Special Publication 40. Photo available. Sacramento. California Division of Mines and Geology. 1970. 134 pps. Octavo. Soft cover. Reprint. Illustrated. Important reference work. Very scarce in this condition. Fine copy.

Price: $25	Book ID: 220327

(anon). Living on a Few Acres. The Yearbook of Agriculture. 1978. Photo available. Blue Ridge Summit. TAB Books. 1978. 532 pps. Octavo. Soft cover. Reprint. Illustrated in black, white and color. Important reference work. Very scarce in this condition. Fine copy.

Price: $20	Book ID: 216302

(anon). Manual of Instruction for Water Treatment Plant Operations. Photo available. Albany. Health Education Service. nd. 308 pps. Octavo. Soft cover. First edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy.

Price: $30	Book ID: 225015

(anon). Manual of Surveying Instructions for the Survey of the Public Lands of the United States and Private Land Claims. 1973. Washington. U.S. Department of the Interior. 1973. 333 pps. Folio. Gilt decorated hard cover. First edition. Folding Manual Survey No. 20220 in rear pocket. Illustrated. Important reference work. Scarce in this condition. Fine copy. As new.

Price: $75	Book ID: 240532

(anon). Mercy Memories. Golden Jubilee Book of Mercy College of Nursing. 1897-1947. Photo available. np. Self published. 1948. 4to. Decorated hard cover. First edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy.

Price: $20	Book ID: 135615

(anon). Mines and Quarries. 1902. Special Reports. Department of Commerce and Labor Bureau of The Census. Photo available. Washington. Government Printing Office. 1905. 1123 pps. Folio. Gilt decorated hard cover. First edition. Illustrated. Important reference work. Very scarce in this condition. Near fine copy (very light shelf wear).

Price: $200	Book ID: 217877

(anon). Missouri River Planning. Recognizing and Incorporating Sediment Management. Photo available. Washington. The National Academies Press. 2011. 152 pps. Octavo. Soft cover. First edition. Illustrated in black, white and color. Important reference work. Very scarce in this condition. Fine copy. As new.

Price: $35	Book ID: 233657

(anon). NASA Spinoffs. Thirty Year Commemorative Edition. Photo available. np. Self published. 1992. Octavo. Soft cover. First edition. Illustrated in black, white and color. Important reference work. Very scarce in this condition. Fine copy.

Price: $20	Book ID: 153338