SQUIRREL POPULATION BY STATE: 1950 SQUIRREL POPULATION BY STATE: 1951 SQUIRREL POPULATION BY STATE: 1952 SQUIRREL POPULATION BY STATE: 1953 SQUIRREL POPULATION BY STATE: 1954 SQUIRREL POPULATION BY STATE: 1955 SQUIRREL POPULATION BY STATE: 1956 SQUIRREL POPULATION BY STATE: 1957 SQUIRREL POPULATION BY STATE: 1958 SQUIRREL POPULATION BY STATE: 1959 SQUIRREL POPULATION BY STATE: 1960 SQUIRREL POPULATION BY STATE: 1961 SQUIRREL POPULATION BY STATE: 1962 SQUIRREL POPULATION BY STATE: 1963 SQUIRREL POPULATION BY STATE: 1964 SQUIRREL POPULATION BY STATE: 1965 SQUIRREL POPULATION BY STATE: 1966 SQUIRREL POPULATION BY STATE: 1967 SQUIRREL POPULATION BY STATE: 1968 SQUIRREL POPULATION BY STATE: 1969 SQUIRREL POPULATION BY STATE: 1970 SQUIRREL POPULATION BY STATE: 1971 SQUIRREL POPULATION BY STATE: 1972 SQUIRREL POPULATION BY STATE: 1973 SQUIRREL POPULATION BY STATE: 1974 SQUIRREL POPULATION BY STATE: 1975 SQUIRREL POPULATION BY STATE: 1976 SQUIRREL POPULATION BY STATE: 1977 SQUIRREL POPULATION BY STATE: 1978 SQUIRREL POPULATION BY STATE: 1979 SQUIRREL POPULATION BY STATE: 1980 SQUIRREL POPULATION BY STATE: 1981 SQUIRREL POPULATION BY STATE: 1982 SQUIRREL POPULATION BY STATE: 1983 SQUIRREL POPULATION BY STATE: 1984 SQUIRREL POPULATION BY STATE: 1985 SQUIRREL POPULATION BY STATE: 1986 SQUIRREL POPULATION BY STATE: 1987 SQUIRREL POPULATION BY STATE: 1988 SQUIRREL POPULATION BY STATE: 1989 SQUIRREL POPULATION BY STATE: 1990 SQUIRREL POPULATION BY STATE: 1991 SQUIRREL POPULATION BY STATE: 1992 SQUIRREL POPULATION BY STATE: 1993 SQUIRREL POPULATION BY STATE: 1994 SQUIRREL POPULATION BY STATE: 1995 SQUIRREL POPULATION BY STATE: 1996 SQUIRREL POPULATION BY STATE: 1997 SQUIRREL POPULATION BY STATE: 1998 SQUIRREL POPULATION BY STATE: 1999 SQUIRREL POPULATION BY STATE: 2000 SQUIRREL POPULATION BY STATE: 2001 SQUIRREL POPULATION BY STATE: 2002 SQUIRREL POPULATION BY STATE: 2003 SQUIRREL POPULATION BY STATE: 2004 SQUIRREL POPULATION BY STATE: 2005