1.   In February, the P-I had ore samples taken from a rail siding in Louisa analyzed.

2.   In some cases, loaded cars are sitting motionless in rail sidings for weeks, and Union Pacific has been unable to give customers accurate estimated arrival dates.

3.   Neither the number of tanks involved nor the dates on which they sat in the rail siding were provided by military officials.

4.   Other sites include a weed-choked rail siding where Nazi doctors once decided which camp arrivals should work and which should die in gas chambers.

5.   KTMB is also upgrading or increasing its yards, silos and lengthening its rail sidings.