When a camp town started becoming more prosperous, the residents would start producing town buildings. These were often frame buildings in which the timber frame was built as a shell and then the rest of the building was built in and around it.
This was easiest to do in areas with large amounts of lumber (or easy access to it by railroad). Many towns would have this kind of building almost under constant construction at one location or another as the towns grew.
These buildings make great terrain pieces as they can provide cover without blocking line of sight. The kit does not come with a raised boardwalk area.