Iron Mine
Inner City, max FC 1, 31 levels

Produces Iron, the fourth production building unlocked. Levels 1-5 all just require Furnace Lv.5, then it tracks the Furnace level exactly from Level 6 on.
Levels
31Levels in total
30Standard levels, 1 to 30
1Fire Crystal levels, 30-1 to FC 10
FC 1Max level label
Total needed, All, 31 levels
123,850,425Wood
24,651,130Coal
6,197,905Iron
123,620,000Meat- 8d 14hTotal build time
1
Cost
30 Wood
Time1s
Power40
RequiresFurnace 5
2
Cost
45 Wood
Time2s
Power76
RequiresFurnace 5
3
Cost
200 Wood
Time10s
Power130
RequiresFurnace 5
4
Cost
450 Wood
90 Coal
Time35s
Power202
RequiresFurnace 5
5
Cost
1.9K Wood
380 Coal
Time1m 10s
Power310
RequiresFurnace 5
6
Cost
4.8K Wood
960 Coal
240 Iron
Time2m 20s
Power472
RequiresFurnace 6
7
Cost
17K Wood
3.4K Coal
865 Iron
Time4m 45s
Power706
RequiresFurnace 7
8
Cost
31K Wood
6.3K Coal
1.5K Iron
Time7m 10s
Power940
RequiresFurnace 8
9
Cost
65K Wood
13K Coal
3.2K Iron
Time10m 30s
Power1,174
RequiresFurnace 9
10
Cost
110K Wood
23K Coal
5.7K Iron
Time14m
Power1,514
RequiresFurnace 10
11
Cost
110K Wood
23K Coal
5.9K Iron
110K Meat
Time18m
Power1,854
RequiresFurnace 11
12
Cost
150K Wood
30K Coal
7.5K Iron
150K Meat
Time21m 30s
Power2,194
RequiresFurnace 12
13
Cost
210K Wood
42K Coal
10K Iron
210K Meat
Time26m
Power2,768
RequiresFurnace 13
14
Cost
280K Wood
56K Coal
14K Iron
280K Meat
Time33m 30s
Power3,342
RequiresFurnace 14
15
Cost
410K Wood
83K Coal
20K Iron
410K Meat
Time43m
Power3,916
RequiresFurnace 15
16
Cost
530K Wood
100K Coal
26K Iron
530K Meat
Time1h 13m
Power4,724
RequiresFurnace 16
17
Cost
830K Wood
160K Coal
41K Iron
830K Meat
Time1h 27m
Power5,532
RequiresFurnace 17
18
Cost
1.1M Wood
220K Coal
56K Iron
1.1M Meat
Time1h 45m
Power6,340
RequiresFurnace 18
19
Cost
1.4M Wood
280K Coal
70K Iron
1.4M Meat
Time2h 38m
Power7,488
RequiresFurnace 19
20
Cost
1.9M Wood
380K Coal
96K Iron
1.9M Meat
Time3h 17m
Power8,636
RequiresFurnace 20
21
Cost
2.4M Wood
490K Coal
120K Iron
2.4M Meat
Time4h 16m
Power9,784
RequiresFurnace 21
22
Cost
3.2M Wood
640K Coal
160K Iron
3.2M Meat
Time6h 25m
Power11,506
RequiresFurnace 22
23
Cost
4M Wood
800K Coal
200K Iron
4M Meat
Time8h 59m
Power13,228
RequiresFurnace 23
24
Cost
5.4M Wood
1M Coal
270K Iron
5.4M Meat
Time12h 34m
Power14,950
RequiresFurnace 24
25
Cost
7.3M Wood
1.4M Coal
360K Iron
7.3M Meat
Time17h 36m
Power16,672
RequiresFurnace 25
26
Cost
9.4M Wood
1.8M Coal
470K Iron
9.4M Meat
Time20h 15m
Power19,202
RequiresFurnace 26
27
Cost
13M Wood
2.6M Coal
670K Iron
13M Meat
Time1d
Power21,732
RequiresFurnace 27
28
Cost
17M Wood
3.5M Coal
890K Iron
17M Meat
Time1d 3h
Power24,262
RequiresFurnace 28
29
Cost
22M Wood
4.4M Coal
1.1M Iron
22M Meat
Time1d 8h
Power26,792
RequiresFurnace 29
30
Cost
27M Wood
5.4M Coal
1.3M Iron
27M Meat
Time1d 14h
Power30,470
RequiresFurnace 30
FC 1
Cost
6M Wood
1.2M Coal
300K Iron
6M Meat
Time2s
Power31,618
RequiresIron Mine 30, Furnace FC 2