Intensive surface water monitoring survey for segment no. 0303, Sulphur River /

by Twidwell, Steve
Published 1974

Intensive survey of Horsepen Bayou : hydrology, field measurements, water chemistry, benthal oxygen demand /

by Twidwell, Steve R.
Published 1980

Intensive survey of Salatrillo Creek : hydrology, field measurements, water chemistry, benthal oxygen demand /

by Twidwell, Steve R.
Published 1980

Intensive surface water monitoring survey for segment no. 1903, Medina River /

by Twidwell, Steve R.
Published 1976

Intensive surface water monitoring survey for segment no. 2201, Arroyo Colorado tidal /

by Twidwell, Steve R.
Published 1978

Intensive surface water monitoring survey for segment no. 0505, Sabine River : Toledo Bend headwater to US 271 near Gladewater /

by Twidwell, Steve R.
Published 1976

Intensive surface water monitoring survey for segment no. 2103, Lake Corpus Christi /

by Twidwell, Steve R.
Published 1976

Intensive surface water monitoring survey for segment no. 1425, O. C. Fisher Reservoir /

by Twidwell, Steve R.
Published 1976

Intensive surface water monitoring survey for segment no. 1422, Lake Nasworthy /

by Twidwell, Steve R.
Published 1976

Intensive survey of the Guadalupe River (segment 1803) : bacteriological /

by Twidwell, Steve R.
Published 1979

Intensive survey of Barton Creek, segment 1430, May 20-24, 1985 : hydrology, field measurements, water chemistry and biology /

by Twidwell, Steve R.
Published 1986

Intensive survey of Neches River, tidal segment 0601, September 17-18, 1985 : hydrology, field measurements, and water chemistry /

by Twidwell, Steve R.
Published 1986

Intensive survey of Rowlett Creek : hydrology, field measurements, water chemistry /

by Twidwell, Steve R.
Published 1981

Intensive survey of Armand Bayou : hydrology, field measurements, water chemistry /

by Twidwell, Steve R.
Published 1980

Intensive survey of Medio Creek, segment 1912, March 31-April 3, 1986 : hydrology, field measurements, water chemistry /

by Twidwell, Steve R.
Published 1986

Intensive survey of Black Bayou : hydrology, field measurements, water chemistry /

by Twidwell, Steve R.
Published 1981

Intensive survey of East Fork of the Trinity River segment 0819 : hydrology, field measurements, water chemistry, biology /

by Twidwell, Steve R.
Published 1982

Intensive survey of Guadalupe River, segment 1806 : hydrology, field measurements, water chemistry and benthic macroinvertebrates /

by Twidwell, Steve R.
Published 1987

Intensive survey of Aransas River - above tidal segment 2004 : hydrology, field measurements, water chemistry, and biology /

by Twidwell, Steve R.
Published 1983

Intensive survey of Medio Creek : hydrology, field measurements, water chemistry, and benthal oxygen demand /

by Twidwell, Steve R.
Published 1983