anchor.diff:  290J,Trade (Wholesale and Retail),"Crasts, Imports, Arts"
   290K,Trade (Wholesale and Retail),"Games, Hobbies, Toys"
   290L,Trade (Wholesale and Retail),Pet Sales and Supplies
  -290M,Trade (Wholesale and Retail),Second Hand Merchandise/Thrift Shop
  +290M,Trade (Wholesale and Retail),Second Hand Merchandise / Thrift Shop
   290N,Trade (Wholesale and Retail),"Coins, Stams, Precious Metals"
   290O,Trade (Wholesale and Retail),Computer Equipment Software
  -290P,Trade (Wholesale and Retail),Cosmetics/Perfumes
  +290P,Trade (Wholesale and Retail),Cosmetics / Perfumes
   290Q,Trade (Wholesale and Retail),Pharmacy
   290R,Trade (Wholesale and Retail),Guns and Supplies
   290S,Trade (Wholesale and Retail),Keys and Lock Shop
   290T,Trade (Wholesale and Retail),Mail Order
  -290U,Trade (Wholesale and Retail),Marin Craft/Accessories (Boats)
  +290U,Trade (Wholesale and Retail),Marine Craft / Accessories (Boats)
   290V,Trade (Wholesale and Retail),Pawn Shop
   290W,Trade (Wholesale and Retail),Pottery Shop
  -290X,Trade (Wholesale and Retail),Video/Electronic/Telephone Components and Equipment
  +290X,Trade (Wholesale and Retail),Video / Electronic / Telephone Components and Equipment
   290Y,Trade (Wholesale and Retail),Special Equipment / Machine/Supply
   290Z,Trade (Wholesale and Retail),Misc. Specialty Retail
   300,Commercial Services,Lodging
  -300A,Commercial Services,Hotel/Motel
  +300A,Commercial Services,Hotel / Motel
   300B,Commercial Services,Motel/ Winter SRO
   300C,Commercial Services,Bed and Breakfast
   310,Commercial Services,Professional / Personal Service
  
positive.code: 220,Trade (Wholesale and Retail),Retail (Building Materials / Garden Supplies)
  220A,Trade (Wholesale and Retail),Hardware/Building Materials except lumber
  220B,Trade (Wholesale and Retail),Lumberyard
  220C,Trade (Wholesale and Retail),Air Conditionsin / Heating / Plumbing / Electrical
  200,Trade (Wholesale and Retail),Paint / Glass / Wallpaper
  220E,Trade (Wholesale and Retail),Solar Equipment and Supply
  220,Trade (Wholesale and Retail),Nursery - Flower and Stock
  
negative.code: 420A,Offices,"Holding, Investment, Security, Commodity Brokerage Service"
  420B,Offices,Real Estate
  420C,Offices,"Combines Real Estate, Insurance Carriers, ect. "
  420,Offices,Title Company and Escrow Service
  420E,Offices,"Insurance Carriers, Agents, Brokers, Services"
  500,Public Facilities (Community and Institutional),Church /  Religious Purposes
  510,Public Facilities (Community and Institutional),Educational (includes public/private)
  510A,Public Facilities (Community and Institutional),Preschool / Childcare
  510B,Public Facilities (Community and Institutional),Elementary School
  510C,Public Facilities (Community and Institutional),Jr. High / Middle School
  510,Public Facilities (Community and Institutional),High School
  510E,Public Facilities (Community and Institutional),College / University
  510,Public Facilities (Community and Institutional),Professional / Trade School
  520,Public Facilities (Community and Institutional),Health Care
  520A,Public Facilities (Community and Institutional),Hospital / Clinic
  530,Public Facilities (Community and Institutional),Government and Public Agencies
  530A,Public Facilities (Community and Institutional),Federal (includes Post Office)
  530B,Public Facilities (Community and Institutional),State
  530C,Public Facilities (Community and Institutional),County
  530,Public Facilities (Community and Institutional),City (does not inlude libraries or the wharf)
  540,Public Facilities (Community and Institutional),Utility and Resources
  540A,Public Facilities (Community and Institutional),Gas / Electric
  540B,Public Facilities (Community and Institutional),Water
  540C,Public Facilities (Community and Institutional),Sanitation
  540,Public Facilities (Community and Institutional),"Flood Control, Erosion"
  550,Public Facilities (Community and Institutional),Communication and Information Services
  550A,Public Facilities (Community and Institutional),Radio / TV
  550B,Public Facilities (Community and Institutional),Phone
  550C,Public Facilities (Community and Institutional),Telegraph
  550,Public Facilities (Community and Institutional),"Newspaper publication, print, write"
  