-- dump date   	20140620_070251
-- class       	Genbank::Source
-- table       	source
-- table       	main
-- field 1	id
-- field 2	chrom_position
-- field 3	chromosome
-- field 4	contig
-- field 5	isolate
-- field 6	organism
-- field 7	plasmid
-- field 8	serotype
-- field 9	strain
-- field 10	sub_strain
-- field 11	taxid
-- field 12	type
-- header
-- id	chrom_position	chromosome	contig	isolate	organism	plasmid	serotype	strain	sub_strain	taxid	type
src_000001	1..1354226	<NULL_VALUE>	NC_003037.1	<NULL_VALUE>	Sinorhizobium meliloti 1021	pSymA	<NULL_VALUE>	1021	<NULL_VALUE>	266834	source
266834000002	1..3654135	<NULL_VALUE>	NC_003047.1	<NULL_VALUE>	Sinorhizobium meliloti 1021	<NULL_VALUE>	<NULL_VALUE>	1021	<NULL_VALUE>	266834	source
266834000003	1..1683333	<NULL_VALUE>	NC_003078.1	<NULL_VALUE>	Sinorhizobium meliloti 1021	pSymB	<NULL_VALUE>	1021	<NULL_VALUE>	266834	source