1. Petroleum geology of the northern part of the Artic National Wildlife Refuge, northeastern Alaska;Bird;US Geol. Surv., Bull.,1987
2. Trace elements in sea-water;Bruland,1983
3. Digital database of mining-related features at selected historic and active phosphate mines, Bannock, Bear Lake, Bingham, and Caribou Counties, Idaho;Causey;US Geol. Surv., Open-File Report, 01-142,2001
4. Organic geochemistry, incipient metamorphism, and oil generation in black shale members of Phosphoria Formation, western interior US;Claypool;Am. Assoc. Pet. Geol. Bull.,1978
5. Phophorus vs. nitrogen limitation of new and export production;Codispoti,1989