Untitled, 2015. Oil on panel. 15 x 10 in. Collection Art Institute of Chicago

Untitled (Weather), 2015. Oil on panel. 15 x 10 in. Collection Art Institute of Chicago

Nest, 2014. Oil on panel. 16 x 8 in.

Untitled Structure, 2014. Oil on panel. 12 x 10 in.

Blue Wash, 2011–14. Oil on panel. 12 x 10 in.

Untitled, 2011-14. Oil on panel. 12 x 10 in.

Black and Yellow, 2011. Oil on panel. 12 x 8 in.

Church IV, 2010. Oil on panel. 15 x 10 in. Collection Art Institute of Chicago

Church III, 2010. Oil on panel. 15 x 10 in.

Church II, 2010. Oil on panel. 15 x 10 in. Collection Martha Diamond Trust, New York

Church I, 2010. Oil on panel. 15 x 10 in.

6 Lines, 2008. Oil on panel. 16 x 8 in.

Companion, 2007-09. Oil on panel. 16 x 8 in.

Pipe Cleaner, 2006. Oil on panel. 15 x 10 in.

Untitled, 2004. Oil on panel. 15 x 10 in. Collection Farnsworth Art Museum, Rockland, Maine

Mountains and Heights, 2004. Oil on panel. 15 x 10 in.

Lake, 2004. Oil on panel. 15 x 10 in.

Untitled, 2002-03. Oil on panel. 12 x 10 in. Collection Art Institute of Chicago

Green Frame, 2002-03. Oil on panel. 12 x 10 in.

Untitled Frame Painting, 2002-03. Oil on panel. 12 x 10 in.

Untitled, 1999. Oil on panel. 16 x 8 in.

Study for “Seasonal Sky,” 1997. Oil on panel. 16 ½ x 8 ⅜ in.

Untitled (Study), 1996. Oil on panel. 18 × 9 ⅛ in.

Untitled, n.d. Oil on panel. 21 x 14 in.

Untitled, n.d. Oil on panel. 21 ½ x 14 ½ in.

32, 1989. Oil on panel. 12 x 7 ¾ in.

Study for “Reflections,” 1989. Oil on panel. 11 ⅞ x 8 in. Collection North Carolina Museum of Art, Raleigh

Study for "Set," 1987. Oil on panel. 7 ½ x 22 ½ in. Collection Martha Diamond Trust, New York

Study for "Sky," 1987. Oil on panel. 7 ½ x 22 ½ in. Collection Martha Diamond Trust, New York

Untitled, 1987. Oil on panel. 8 x 6 in.

Untitled (Study for "Towers"), c. 1986. Oil on panel. 16 x 20 in. Collection Martha Diamond Trust, New York

Study for “Yellow Sky,” 1986. Oil on panel. 16 ¼ x 20 ¼ in.

Three Roofs, 1985. Oil on panel. 13 x 19 in.

Untitled, c. 1985. Oil on panel. 12 x 8 in.

Battery Park City, 1985. Oil on panel. 18 x 15 in. Collection Munson Museum of Art, Utica, N.Y.

Study for “Untitled (Black Orange Aqua),” 1983. Oil on panel. 15 x 12 in. Collection Martha Diamond Trust, New York

Study for “Façade,” 1982. Oil on panel. 21 x 14 in.

Study for “Ghosts,” 1982. Oil on panel. 21 ¼ x 14 ¼ in.

Untitled, 1980. Oil on panel. 12 x 18 in. Collection National Gallery of Australia, Canberra

Untitled, 1980. Oil on panel. 14 x 21 in. Collection National Gallery of Australia, Canberra