http://sioseis.ucsd.edu/segy.header.html
http://www.seg.org/documents/10161/77915/seg_y_rev1.pdf

http://gdr.nrcan.gc.ca/seismtlitho/archive/le/stacks_e.php
http://apps1.gdr.nrcan.gc.ca/lithoprobe/le/ld0077_file_080.sgy

http://segymat.sourceforge.net/segypy/
http://www.cg.nrcan.gc.ca/lith_arch/stacks/ksz/ld0057_file_00095.sgy --> ko
http://apps1.gdr.nrcan.gc.ca/lithoprobe/ksz/ld0057_file_00095.sgy

http://utam.gg.utah.edu/SeismicData/SeismicData.html
http://utam.gg.utah.edu/SeismicData/NewMont/Acsg.segy
http://utam.gg.utah.edu/SeismicData/WFault3D/WD_3D.sgy

http://www.syqwestinc.com/stratabox/stratabox%20data%20download/index.htm
http://www.syqwestinc.com/stratabox/stratabox%20data%20download/20060113100958-1.zip

http://www.syqwestinc.com/B2010/data%20download/index.htm
http://www.syqwestinc.com/B2010/data%20download/20071121142735_CH1_35P.zip

http://software.seg.org/datasets/2D/Hess_VTI/
ftp://software.seg.org/pub/datasets/2D/Hess_VTI/timodel_c11.segy.gz

http://www.segy.ca/segy/examples/ --> non standard formats. Do not work with OGR SEGY driver

http://wush.net/trac/geocraft/browser/geoscience_data/trunk/saltmodel
http://wush.net/trac/geocraft/export/12564/geoscience_data/trunk/saltmodel/SeisSaltDepth20m5km.segy
http://wush.net/trac/geocraft/export/12564/geoscience_data/trunk/abavo/test_data3far.segy

g++ -fPIC -g -Wall ogr/ogrsf_frmts/segy/*.cpp -shared -o ogr_SEGY.so -Iport -Igcore -Iogr -Iogr/ogrsf_frmts -Iogr/ogrsf_frmts/segy -L. -lgdal