re dt i 
= an a 
Table 1 SECOND AND THIRD LEVEL HIERARCHICAL LAND-USE CLASSIFICATION 
USED FOR CALABAR URBAN MAPPING 
  
  
  
FIRST LEVEL SECOND LEVEL THIRD LEVEL 
CODE CATEGORIES CODE CATEGORIES CODE CATEGORIES 
O URBAN 01 Estate Housing O11 High Density Estate Housing 
RESIDENTIAL 012 Medium u " M 
013 Low " " " 
02 Non-Estate 021 High Density Non-Estate Housing 
Housing 022 Medium  " " " n d 
023 Low ^ "n " "Ww 1" 
03 New 031 Urban Residential New Development 
032 Urban " Redevelopment 
1 COMMERCIAL 11 Open and 
Covered Markets 
12 Shops/ 
Supermarkets 
13 Urban Core (CBD) 
14 Commercial 141 Commercial New Development 
Development 142 Commercial Redevelopment 
143 Vehicle Workshop 
2 INDUSTRIAL 21 Extractive 
Industries 
22 Processing 
Industries 
23 Manufacturing 
Industries 
24 Industrial 241 Industrial New Development 
Development 242 Industrial Redevelopment 
3  TRANSPORT- 31 Roadways 
ATION 32 Railways 
33 Airports and 
Naval Base Sites 
34 Harbours and 
Other Ferry Pts. 
35 Navigable Rivers 
4 UTILITIES 41 Electric Power 
AND Transmission 
SERVICES 42 Post and 
_ Telegraphs 
43 Telecoms (Radio, 
T.V. Stn) 
44  Petrol/Gas/Other 
Fuel Stn 
5 INSTITUT- 51 Educational 511 Schools 
IONAL 512 Universities 
52 Educational Dev 
53 Places of 531 Church 
Worship 532 Mosque 
54  Barracks 541 Military Barracks 
542 Police Barracks 
543 Prison Barracks 
544 Naval Barracks 
55 Prisons 
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