一些有用的地理地质数据链接

 1 http://web2.westlaw.com    
 2 http://search.ebscohost.com/    
 3 http://agricola.nal.usda.gov/    
 4 http://www.osti.gov/energycitations/    
 5 http://www.ntis.gov/Index.aspx    
 6 http://pubs.er.usgs.gov/    
 7 http://www.scienceaccelerator.gov/    
 8 http://www.ncbi.nlm.nih.gov/pubmed/    
 9 http://cfpub.epa.gov/supercpad/cursites/srchsites.cfm   
10 http://www.epa.gov/enviro/   
11 http://www.cerc.usgs.gov/data/ncbp/ncbp.html   
12 http://water.usgs.gov/nawqa/   
13 http://lwf.ncdc.noaa.gov/oa/ncdc.html   
14 http://soils.usda.gov/survey/online_surveys/   
15 http://capp.water.usgs.gov/gwa/gwa.html   
16 http://soils.usda.gov/survey/printed_surveys/   
17 http://www.wcc.nrcs.usda.gov/climate/windrose.html