Laboratory Tests of Concrete Aggregate, Mullen Damsite, Lower Platte River Basin Investigations, Missouri River Basin, Nebraska

---

Laboratory Investigation of Concrete Aggregate, Ashton Dam Site, Middle Loup Division, Missouri River Basin Project, Nebraska

---

Laboratory Investigations of Concrete Aggregate, Erickson Damsite, Lower Platte Subbasin Investigations, Nebraska

---

Laboratory Tests of Concrete Aggregate and Riprap

---

Laboratory Investigations of Concrete Aggregate and Riprap, Willow Park Dam Site, Cloud Peak Reservoir Enlargement, and Kearney Lake Reservoir Enlargement, Piney Unit, Powder Division, Missouri River Basin Project

---

Laboratory Test of Concrete Aggregate, Medicine Creek Dam, Frenchman-Cambridge Division, Missouri River Basin Project

---

Laboratory Tests of Concrete Aggregate, Ponca Creek Dam, Ponca Creek Unit, Nebkota Division, Missouri River Basin Project

---

Engineer Studies Center

---

Geologic Names of North America

---

Geological Survey Research, 1964

---