In the United States railroad industry a hostler is a type of railroad engineer who moves locomotives in and out of service facilities.  1 Hostler - Definition and More from the Free Merriam-Webster Dictionary. 2  EtymologyOnLine- Hostler.  3 909.663-010: HOSTLER (motor trans.) alternate titles: hook-up driver; yard spotter.
The purpose of radioactive seed localization (RSL) of non-palpable lesions is to localize suspicious tissues for excision with the use of radioactive seeds. RSL differs from current localization procedures, whereby a non-radioactive wire is implanted into the lesion site and excised along with the affected tissue.
In the mid-west that's usually mid-November thru March when soil temperatures are below 50 degrees. Harsh winter weather will not harm dormant grass seeds.Frost seeding is a type of dormant seeding, overseeding moist soil before freezing weather. The natural freeze and thaw cycle of freezing soils will create small cracks or pockets, perfect for catching and holding grass seed.