Cycle throuhg rows on a sheet

i need the functions to cycle throuhg the rows on each sheet and output data in this format


For Sheet X
For I to Count total rows
output

specific Sheet!A4&CHAR(10)&
Specific Sheet!B4&CHAR(10)&
specific Sheet!C4&CHAR(10)&
IF(ISBLANK(specific sheet!D4),"Det. 2014",Notostraca!D4&CHAR(10)&"Det. R. G. Ahlers 2014"))

anyoen able to help?