Re-organizes Lavaland Files; Makes some Balacne tweaks

code/game/objects/items/weapons/tanks/jetpack.dm

@@ -163,6 +163,15 @@
 		to_chat(user, "<span class='danger'>The meter on [src] indicates you are almost out of air!</span>")
 		playsound(user, 'sound/effects/alert.ogg', 50, 1)
 
+/obj/item/tank/jetpack/carbondioxide/mining
+	name = "mining jetpack"
+	icon_state = "jetpack-mining"
+	item_state = "jetpack-mining"
+	origin_tech = "materials=4;magnets=4;engineering=5"
+	desc = "A tank of compressed carbon dioxide for miners to use as propulsion in local space. The compact size allows for easy storage at the cost of capacity."
+	volume = 40
+	throw_range = 7
+	w_class = WEIGHT_CLASS_NORMAL //same as syndie harness
 
 /obj/item/tank/jetpack/rig
 	name = "jetpack"

code/game/objects/structures/signs.dm

@@ -145,6 +145,12 @@
 	name = "\improper RADIOACTIVE AREA"
 	desc = "A warning sign which reads 'RADIOACTIVE AREA'."
 
+/obj/structure/sign/xeno_warning_mining
+	name = "DANGEROUS ALIEN LIFE"
+	desc = "A sign that warns would be travellers of hostile alien life in the vicinity."
+	icon = 'icons/obj/mining.dmi'
+	icon_state = "xeno_warning"
+
 /obj/structure/sign/redcross
 	name = "medbay"
 	desc = "The Intergalactic symbol of Medical institutions. You'll probably get help here.'"
@@ -210,7 +216,7 @@
 	desc = "A glowing dragon invites you in."
 	icon_state = "chinese"
 
-/obj/structure/sign/science	
+/obj/structure/sign/science
 	name = "\improper SCIENCE!"
 	desc = "A warning sign which reads 'SCIENCE!'"
 	icon_state = "science1"