-
1972 Oct. Mercury, Man's deadly servant p. 507
-
1974 January Gold
p.1
-
1974 Feb. The Glittering World of
Rockhounds p.276
-
1974?
Feb. Questing for Gems p.835
-
1977 Sept. Salt - The essence of life p.381
-
Sept. 1977 Amber, Golden Window on the Past p. 423
-
1978 Aug. Aluminum, The Magic Metal p.186
-
1983 Nov. The miracle metal - Platinum p.686
-
1984
Sept. Do we treat our soil like dirt? p.350
-
1985 Aug. Our restless planet Earth
p.142
-
1985 Aug. Fossils: Annals of life written in rock p. 182
-
1988 Oct. Clovis Cache Found: Weapons of Ancient Americans p.500
(stone tools)
-
1990 May Earthquake
p.76
-
1990 July The timeless Mystique of
Emeralds p.38
-
1990 July Hawaii's Volcanic Cradle of Life p.70
-
1991 October Rubies & Saphires
p.100
-
1998 May Physical World p.2 (earthquakes,
volcanoes)
-
1998 May Map - Physical Earth
-
1998 Dec. Petra Ancient City of
Stone p.116
-
1998 Dec. Dinosaur Embryos p.34 (fossils)
-
1999 April Copper Age p.70
-
1999 June A Dinosaur named Sue p.46 (fossils)
-
1999 June Sahara Rock Art p.98
-
1999 Oct. Rubies and
Sapphires p.100
-
1999 Sept. Preserving Sahara Art p.82 (rock art)
-
2000 Mar. Hard Rock Legacy p.76 (mining)
-
2000 May Mount St. Helens p. 106 (volcano)
-
2000 July Earthquake in Turkey p. 32
-
2000 July Slot Canyons p. 118 (landscape)
-
2000 Oct. Sky-high over the Sonoran p. 31 (landscapes,
deserts,
dunes)
-
2002 March Diamonds The Real Story p. 2
-
2002 March U-Dig Diamonds, Murfreesboro,
Arizona p.118
-
2003 Jan. Strangest Volcano on Earth? p. 34
-
2004 April It's All good in the Badlands p. 78 (landscape)
-
2004 Oct. Red Hot Hawaii p. 2 (volcanoes)
-
2005 May Dinosaurs for Sale p. 48 (fossils)
-
2005 Aug. Cave Art Mystery p. 32
-
2005 Aug. China Fossil Marvels p.86
-
2006 March The High Cost of Cheap
Coal p. 96