Columbia subject headings:
Earthworks (Art)
Environmental protection in art.
Environmental protection.
Johanson, Patricia, 1940-
Johanson, Patricia, 1940---Interviews.
Nature (Aesthetics)
Women sculptors--United States.
Harvard subject headings:
Environmental protection in art.
Johanson, Patricia, 1940-
Women sculptors--United States.
Princeton subject headings:
Environmental protection.
Johanson, Patricia, 1940-
Nature (Aesthetics)
Women sculptors--United States.