[Ger-Poland-Volhynia] Location of Wirchkufke Wolyn and Krooschnitz

[Marv Geske]

I ma trying to locate two towns in Volhynia or Russia that appear in my grandfather Gustav Geske/Jeske’s Passenger list
The names are  Wirchkufke Wolyn and Krooschnitz
Below is the data from the passenger listing
1911
Ancestry.com Baltimore Passenger Lists, 1820-1957 [database on-line].
Name: Gustav Jeske Male, Black smith destination Cleveland Ohio, of Russian citizenship German race, Last residence city Sokolov, had $25, meeting a friend Trude Friede, at 3105 Vega Ave Cleveland Ohio, height 5'5 blond hair brown eyes. Wife: Hulda Jeske back in Wirchkufke Wolyn Russia. Arrival date Apr 23(28) 1911, is 26 Years 0 months old, est birth 1885, born in Russia city Krooschnitz(sp). Departed Bremen Germany on the Frankfurt -Ships Manifest dated Apr 3 1911, arrived in Balitmore Maryland Last  residence Russia. Micro film Roll Number:85 Page: 310