Art Johnson

Teaching today's mathematics in the middle grades

2006

Effects of small-scale gold dredging on arsenic, copper, lead, and zinc concentrations in the Similkameen River

2005

Arsenic concentrations in three Palmer Lake sediment samples

2002

Results and recommendations from monitoring arsenic levels in 303(d) listed rivers in Washington

2002

1998 303(d) PCB listing for Chambers Creek mussels

2002

A total maximum daily load evaluation for arsenic in the Similkameen River

2002

Review of sediment quality data for the Similkameen River

2000

Dredging simulation test on Similkameen River sediments

1999

Famous problems and their mathematicians

1999

Building Geometry

1997

Build up to bubbles

1997

Classic math

1994

Occurrence and significance of DDT compounds and other contaminants in fish, water, and sediment from the Yakima River basin

1986

Algebra

1982

Geometry

Math matters : understanding the math you teach, grades K-6

Pearson Geometry Common Core Volume 2 Teacher's Edition 2015 Hardcove

geometry

Geometry