This map has a discussion topic which can be visited here

... My 3rd release.
I noticed early on that the most played maps were the default valve releases, problem was, each map had only portions i felt were good, so in my arrogance, I chose portions of some and adding my own works created a rather well laid out map.
My ego swelled because i received dozens of emails chastising me for decompiling the originals and using them in my own map.. All along these people never realized the compliment they were bestowing upon me. The maps are 100% my own creation, all made from memory.