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Book Chapters

Browse more than 5,500 book chapters authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.

Filter Total Items: 6063

Effects of extended photoperiod on sandhill crane reproduction

Photoperiod studies were conducted with greater sandhill cranes (Grus canadensis tabida) from 1969 to 1972 and from 1982 to 1987 at the Patuxent Wildlife Research Center, Maryland. When housed indoors and exposed to long photoperiods, males produced semen during winter. When exposed to artificially extended photoperiods during spring in outdoor pens, females apparently laid earlier in the year a
Authors
G.F. Gee, G.W. Pendleton

Evolution of fish rhabdoviruses

No abstract available
Authors
J. R. Winton

Exploration for submarine mineral deposits by use of gamma-ray radiometric methods

No abstract available 
Authors
A. E. Grosz

Field guide: Gold-copper-silver deposits of the New World District Northwest Geology

No abstract available 
Authors
J. E. Elliot, A. R. Kirk, T.W. Johnson

Field Research Panel - Reptiles

No abstract available.
Authors
R.W. McDiarmid, D.E. Scott, A.D. Tucker