[1] : WordNet (r) 2.0

amarillo
     n : a city in the northern panhandle of texas

[2] : U.S. Gazetteer (1990)

amarillo, tx city, fips 3000
  location: 35.20255 n, 101.81868 w
  population 1990: 157615 68592 housing units
  area: 227.8 sq km land, 0.8 sq km water
  zip codes: 79101, 79102, 79103, 79104, 79106, 79107, 79108, 79109, 79110, 79111, 79118, 79119, 79121, 79124

[3] : U.S. Gazetteer Places (2000)

amarillo, tx -- u.s. city in texas
   population 2000:    173627
   housing units 2000: 72408
   land area 2000:     89.863341 sq. miles 232.744974 sq. km
   water area 2000:    0.445961 sq. miles 1.155034 sq. km
   total area 2000:    90.309302 sq. miles 233.900008 sq. km
   fips code:            03000
   located within:       texas tx, fips 48
   location:             35.199252 n, 101.845163 w
   zip codes 1990:     79101 79102 79103 79104 79106 79107
                         79108 79109 79110 79111 79118 79119
                         79121 79124
   note: some zip codes may be omitted esp. for suburbs.
   headwords:
    amarillo, tx
    amarillo

Amarillo >> A Words
Amarillo, definition of term: Amarillo
amarillo_pag1.html

Amarillo Tx >> A Words
Amarillo Tx, definition of term: Amarillo Tx
amarillo+tx_pag1.html