alabama

California County Map Formation by Year

California County Map Abbreviations

  1. unorg. = unorganized
  2. g. = gained
  3. w. = with
  4. fr. = from
  5. atmt. = attachment
  6. exch = exchanged
  7. nca.= non county area
  8. ch. = changed
  9. Ala - Alameda
  10. Alp - Alpine
  11. Am - Amador
  12. But - Butte
  13. Ca - Calaveras
  14. CC - Contra Costa
  15. Col - Colusa
  16. Cos - Coso
  17. Csi - Colusa
  18. DN - Del Norte
  1. ED - El Dorado
  2. Fr - Fresno
  3. Gl - Glenn
  4. Hu - Humboldt
  5. Im - Imperial
  6. In - Inyo
  7. Ke - Kern
  8. Ki - Kings
  9. Kl - Klamath
  10. LA - Los Angeles
  11. Lak - Lake
  12. Las - Lassen
  13. Mad - Madera
  14. Men - Mendocino
  15. Mer - Merced
  16. Mno - Mono
  17. Mnt - Monterey
  1. Mod - Modoc
  2. Mrn - Marin
  3. Mrs - Mariposa
  4. Na - Napa
  5. Ne - Nevada
  6. Or - Orange
  7. Pa - Pautah
  8. Pla - Placer
  9. Plu - Plumas
  10. Ri - Riverside
  11. Sac - Sacramento
  12. SBr - San Bernardino
  13. SBt - San Benito
  14. SCl - Santa Clara
  15. Scr - Santa Cruz
  16. SD - San Diego
  17. SF - San Francisco
  18. Sh - Shasta
  1. Sie - Sierra
  2. Sis - Siskiyou
  3. SJ - San Joaquin
  4. SLO - San Luis Obispo
  5. SM - San Mateo
  6. Sol - Solano
  7. Son - Sonoma
  8. St - Stanislaus
  9. StB - Santa Barbara
  10. Su - Sutter
  11. Te - Tehama
  12. Tr - Trinity
  13. Tul - Tulare
  14. Tuo - Tuolomne
  15. Ve - Ventura
  16. Yo - Yolo
  17. Yu - Yuba