Add-PSSnapin microsoft.sharepoint.powershell
Export-SPWeb
-Identity "http://sharepoint-u.com/sites/SiteCollectionName/Subsite"
-ItemUrl "/sites/SiteCollection/Subsite/LibraryName/" -path
"E:\temp\LibraryName.cmp" -IncludeUserSecurity -IncludeVersions ALL
Import-SPWeb
-Identity
"http://sharepoint2013.ntrs.com/sites/SiteCollection/LibraryName"
-Path "E:\temp\LibraryName.cmp"
