File Fly tying tools Box 19 In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects » Lures and equipment
File Fly and tackle box Box 19 In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects » Lures and equipment
File Plants and fungi In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects
File Lobelia, blue Box 19 In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects » Plants and fungi
File Mushroom, shaggy mane Box 19 In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects » Plants and fungi
File Wintergreen blossom Box 19 In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects » Plants and fungi
File Aurora Oil Company oil break Box 19 In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects » Pollution
File Detroit River In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects » Pollution
File Pollution testing on boat Box 19 In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects » Pollution