11.   Ousland attempted the crossing last year but was obstructed by frostbite.

12.   Favorable seafaring weather is believed responsible for the huge increase in numbers attempting the crossing daily in recent months.

13.   Hopeful immigrants have attempted the crossing almost daily over the years.

14.   Many more are believed to drown attempting the crossing.

15.   Mexicans have continued to attempt illegal crossings, even though U.S. officials have built walls to make crossings difficult.

16.   Most attempt the crossing in crude wooden boats at night.

17.   The combination of stormy weather and forced returns appeared to have discouraged Albanians from attempting a crossing on Thursday.

18.   The four had left the Western Stock Growers centennial cattle drive camp and rode into Medicine Hat where they attempted the crossing.

19.   Refugee assistance centers in Miami have said that only one out of every four refugees who attempts the crossing survives.