Likely origin
Half-Life 1998-11-19
Sources
Textures, by WAD
halflife.wad · 74
+0crete_swtch1a+0medkit+0recharge+0~drkmtls2c+0~fifties_lgt2+0~generic65+0~generic86+0~generic86r+0~gymlight+0~light2a+a~generic65-0c2a4e_w1-0crete6-0silo2_p2ammo01ammo02ammo03ammo04babtech9dbabtech_dr4cbasetrim01bcrate18c1a3_sign5c1a3_w1fc1a4_fuel3c1a4i_c1ac2a3turbine2c3a1_w5bc3a2a_pipe1c3a2a_pipe2ca1x_con1bcrate02crate02bcrate03crate06crate09crate09bcrate09ccrate10crate11crate13crete4_flr03fifties_door01frostgrategeneric009generic012generic014hgeneric015ugeneric034generic034ageneric109generic117generic122generic46generic77lab5_c2cmedkitedge1pfab_vent3rechargeedge1silo2_w3brdstripes5xcrate10axcrate10bxcrate10cxcrate10d{grate3a{grate4a{rail2{rustyrungs{stairrail2~spotblue~spotgreen~spotred~spotyellow