| | Soil Texture - Water Study Soil over Sand 1st Sequence; W. H. Gardner Wash. S. '53 | 1953 | 4094 |
| | Soil Texture Water Study Soil over Sand 2nd Sequence; W. H. Gardner Wash. State 1953 | 1953 | 4095 |
| | Soil Texture - Water Study Soil over Sand 3rd Sequence; W. H. Gardner Wash State 1953 | 1953 | 4096 |
| | Soil Texture - Water Study Sand Lense 1st Sequence; W. H. Gardner Wash. S. '53 | 1953 | 4097 |
| | Gardner Demonstration Pullman, Wash 1953; Sand Lense 2nd Sequence; Wilson | 1953 | 4098 |
| No Image Available | Gardner's False water table profiles | 9/1953 | 4099 |
| | Soil Texture - Water Study Inclinated Clay Lanse 1st Sequence; W. H. Gardner Wash S. '53 | 1953 | 4100 |
| No Image Available | Gardner's False water table profiles | 9/1953 | 4101 |
| | Soil Texture - Water Study Inclined clay lanse 3rd sequence; W. H. Gardner Wash. S. '53 | 1953 | 4102 |
| | Soil Texture - Water Study Clay Lense 1st Sequences; W. H. Gardner Wash S. '53 | 1953 | 4103 |
| | Soil Texture - Water Study Clay Lense 2nd Sequence; W. H. Gardner Wash. S. '53 | 1953 | 4104 |
| | Soil Texture - Water Study Clsy Lense 3rd Sequence; W. H. Gardner Wash. S. '53 | 1953 | 4105 |
| | Soil Texture - Water Study Inclined Sand Lense; W. H. Gardner Wash. S. '53 | 1953 | 4106 |
| | Soil Texture - Water Study Sand Lense Above & Below Source of Water; W. H. Gardner Wash. S. '53 | 1953 | 4107 |
| | Turf plots; Wash. State Col. Pullman 9/21/54 | 09/21/1954 | 4749 |
| | Merion B.G. plots nitrogen & No. N.; Wash. State Col. Pullman 9/21/54 | 09/21/1954 | 4750 |
| | Merion B.G. plot close-up nitrogen & No N.; Wash. State Col. Pullman 9/21/54 | 09/21/1954 | 4751 |
| | Merion B.G. plots close-up of nitrogen fed portion; Wash. State Col. Pullman 9/21/54 | 09/21/1954 | 4752 |
| | Bob Wiley holds Knotweed growing in crack in sidewalk; Pullman, Wash. Oct. 1961 | 10/1961 | 10566 |