GTA Maps in Garry's Mod with Infinite Map Base

i decided to put my trade_badsand map from tf2 to garry's mod and this is the result - / - map link below in the first image : r/gmod

Steam Workshop::Infinite Map With Space, ABANDONED

An Infinite map [Garry's Mod] [Requests]

Are there any base maps that come with a hydro dam? Still cant find this map. I've removed all workshop maps but can still launch this save. The red circle is a

Steam Workshop::GTA III - Liberty City

anyone know what this map called? : r/gmod

Steam Workshop::[INFMAP] GTA 5 + GTA 4 maps together

Dan Smith on X: As a test, I ported the entire map of GTA3 to Garry's Mod, It extends past the hammer grid but with a little hackyness it all works. /

Steam Workshop::saved map mods

Steam Workshop::InfMap - Infinite Map Base

Infinite Map - Basic Explanation