Sometimes a part of a drillhole can be capture under one Collection (HOLEID) and the other half under another. To merge two Collection you can use the Merge All Imagery for Two Collection tool available under the My Workspace --> Image Tools menu
The tool will only be available to Subscription Owner Accounts. Please contact your administrator if the option is not available under your account.
Before you use the Merge All Imagery for Two Collection tool you must first activate the collection you wish to mesh in the
Then select the collection and use the Merge button