cruiseid	year	date_local	time_local	station	event[width=12]	lat[width=10]	lon[width=10]	depth_w	region[width=20]	tow[width=5]	net	depth_open	depth_close	depth_mid	depth_interval	vol_filt	displ_vol	taxon_group[width=18]	taxon[width=30]	stage[width=8]	num_counted	samp_fraction_denom	abundance	comments	day_local	month_local	yrday_local