Circular / United States Department of the Interior, Geological Survey.

no.3 1933; no.4 1933; no.10 1934; v.16; v.30; v.31; v.41; v.44; v.45; v.46; v.68; v.76; v.77; v.78; v.81; v.87; v.89; v.91; v.95; v.98; v.103; v.106; v.108; v.110; v.111; v.114; v.117; v.119; v.124; v.126; v.127; v.128; v.132; v.133; v.136; v.137; v.143; v.144; v.150; v.152-155; v.157-162; v.166; v.172; v.175; v.176; v.179; v.180; v.182; v.183; v.184; v.186; v.187; v.188; v.189; v.192; v.194; v.195; v.198; v.201; v.202; v.207; v.209; v.210; v.212; v.214; v.215; v.218; v.219; v.220; v.224; v.226; v.228; v.230; v.231; v.234; v.235; v.236; v.237; v.239; v.242; v.244; v.245; v.246; v.249; v.251; v.253; v.254; v.255; v.260; v.262; v.265; v.266; v.267; v.269; v.272; v.277; v.279; v.280; v.285; v.288; v.289; v.294; v.297; v.298; v.300; v.301; v.302; v.303; v.305; v.306; v.307; v.310; v.311; v.312; v.313; v.318; v.320; v.322; v.324; v.325; v.326; v.327; v.328; v.330; v.332; v.333; v.334; v.335; v.336; v.338; v.340; v.343; v.344; v.345; v.349; v.350; v.351; v.352; v.354; v.355; v.356; v.358; v.359; v.360; v.361; v.362; v.363; v.364; v.365; v.368; v.371; v.373; v.375; v.376; v.378; v.380; v.391; v.398; v.401; v.404; v.406-417; v.418; v.419; v.420; v.422-445; v.446-469; v.470-499; v.500-510; v.511-528; v.529A; v.530-544; v.546-559; v.562-575; v.576-586; v.588; v.591-602; v.604; v.606; v.607; v.608; v.611; v.613-637; v.638-653; v.680; v.681; v.682; v.683; v.685; v.686; v.687; v.688; v.689; v.690; v.691; v.692-714; v.715A; v.715B; v.715C; v.715D; v.715E; v.715F; v.715G; v.715H; v.715M; v.716; v.717A; v.717C; v.717D; v.717B; v.718-722; v.723A; v.723B; v.723C; v.723D; v.741; v.742-751; v.752-758; v.759; v.760; v.761; v.762A; v.762B; v.762C; v.763; v.765; v.766A; v.766B; v.766C; v.766D; v.767; v.768; v.771; v.771-784; v.793; v.794; v.795; v.796; v.797; v.798; v.799A&B; v.800; v.801; v.802; v.803; v.805-810; v.811; v.812; v.813; v.814; v.816-817; v.818-819; v.820; v.821; v.822; v.823B; v.824; v.825; v.827; v.828; v.830; v.831; v.833; v.834; v.836-837; v.838-843; v.844-847; v.848- 849; v.850 b-l; v.851; v.853A; v.853B; v.853C; v.8