How do you merge two tiles into a single layer

Discussion created by niamhoreilly on Feb 6, 2012
Latest reply on Feb 7, 2012 by csny490
Hi all,

I am using ArcGIS10 and want to merge some map sheets together into a single layer. Can anybody advice me what to do. I've tried using the merge command but this will only merge features from the same layer.

I'd appreciate any advice.