12 FLORIDA GEOLOGICAL SURVEY TABLE 2. Ground-water data-collection points in Green Swamp area and vicinity. Well number: See figure 3 for explanation of well-numbering system. County: He, Hernando; Hi, Hillsborough; La, Lake; Or, Orange; Pa, Pasco; Po, Polk; Su, Sumter. Aquifer (s) : F, Floridan; H, secondary artesian; N, nonartesian. Type and frequency of record: A, standard chemical analysis; B, spectro- graphic analysis; K, partial chemical analysis; S, water level; T, tritium determination; (3) number of analyses; p, periodic; r, continuous. Type and frequency Well number i County Aquifer of record Period of record 800-153-1 Po F, H Sp December 1954 to May 1962 801-207-1 Hi F A(1) May 1962 802-135-1 Po F Sp November 1957 to February 1960 802-157-12 Po F A(l) March 1962 803-147-4 Po F A (1) March 1962 803-204-1 Hi F Sp May 1958 to May 1962 804-207-1 Hi F Sp November 1956 to May 1962 805-155-1 Po N Sr August 1955 to February 1960 Sp February 1960 to June 1962 805-155-2 Po F Sr March 1956 to February 1960 Sp February 1960 to June 1962 A (1) November 1959 805-155-3 Po H Sr February 1956 to February 1960 Sp February 1960 to June 1962 806-137-6 Po F A (1) March 1962 806-140-2 Po F A(1) November 1959 806-135-3 Po F Sp July 1954 to February 1960 806-156-1 i Po N Sp August 1955 to June 1962 806-156-2 Po F Sp January 1956 to June 1962 807-202-1 Po F A(1) November 1959 808-139-1 Po N A(1) February 1962 808-143-1 Po F A (1) February 1962 808-147-1 Po F A(1) February 1962 808-153-1 Po F Sp January 1958 to May 1962 A (1) November 1959 808-155-1 Po F Sp June 1955 to March 1956 Sr March 1956 to June 1962 A (1) November 1959 808-155-2 Po N Sp June 1955 to June 1962 809-154-4 Po F A(1) February 1962 809-158-1 Po H A(1) February 1962 810-136-1 Po F Sr 1946 to June 1962 (P-44)