Sources
Half-Life Custom Campaign Opposing Force.rar Half-Life Custom - opposing force/hlopfor/maps/c1a3d.bsp archive.org
Textures, by WAD
halflife.wad · 84
+0button1+0elev_down2+0elev_up2+0medkit+0~drkmtls2c+0~fifties_lgt2+0~fiftiestch3+0~generic65+0~light3a+0~light4a+a~fifties_lgt2ammo01ammo02ammo03ammo04babtech_bordl52babtech_ceil01babtech_dr4cbarrel3barreltopbasetrim01bcrate26c1a3_sign1c1a3_sign2c1a3_w1bc1a3_w1cc1a3_w1dc1a3_w1d2c1a3_w1fc1a3firedr01c1a3floor02c1a3yellowc1a4_c1cca1x2bcon1_wall01pcrate02bcrate03crate05crate06crate09crate09bcrate09ccrete2_flr03adrkmtlt_bord12drkmtlt_bord13duct_vnt2duct_wall04elev2_drgeneric006generic014hgeneric015generic015kgeneric015lgeneric028generic030generic95cgeneric_111cglass_darklab10_dr1dlab1_gear3medkitedge1pfab_vent3redsign45sign46sign69sign81silo2_cor2stripes2stripes5tnnl_gad3xcrate10axcrate10bxcrate10cxcrate10d{blue{duct_vnt{fence3{grate3b{gratestep2{ladder1{rail2~lab1_comp3f~light3b