archaeo item updates/additions, map fixes, fix for ore box icon

Signed-off-by: caelaislinn <cael_aislinn@yahoo.com.au>

code/modules/mining/mine_items.dm

@@ -187,12 +187,6 @@ proc/move_mining_shuttle()
 	var/digspeed = 40 //moving the delay to an item var so R&D can make improved picks. --NEO
 	origin_tech = "materials=1;engineering=1"
 
-	excavationtool
-		name = "Excavation Tool"
-		icon_state = "excavation"
-		digspeed = 50
-		desc = "A carefully calibrated, archaeological excavation tool."
-
 	hammer
 		name = "Mining Sledge Hammer"
 		//icon_state = "sledgehammer" Waiting on sprite

code/modules/mining/mine_turfs.dm

@@ -232,7 +232,7 @@
 */
 //Watch your tabbing, microwave. --NEO
 
-		if(istype(W, /obj/item/weapon/pickaxe/excavationtool))
+		if(istype(W, /obj/item/weapon/pickaxe/hand_pick) || istype(W, /obj/item/weapon/pickaxe/mini_pick))
 			user << "\red You carefully start clearing away the rock."
 			playsound(user, 'Genhit.ogg', 20, 1)
 

code/modules/mining/satchel_ore_box.dm

@@ -45,7 +45,7 @@
 /**********************Ore box**************************/
 
 /obj/structure/ore_box
-	//icon = 'mining.dmi'
+	icon = 'mining.dmi'
 	icon_state = "orebox0"
 	name = "Ore Box"
 	desc = "It's heavy"