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2015-02-27 08:23:53

HOUSTON, Feb. 27, 2015 /PRNewswire/ -- PATTERSON-UTI ENERGY, INC.

2015-02-23 08:22:19

HOUSTON, Feb. 23, 2015 /PRNewswire/ -- PATTERSON-UTI ENERGY, INC.

2015-02-06 16:21:38

HOUSTON, Feb. 6, 2015 /PRNewswire/ -- PATTERSON-UTI ENERGY, INC.

2015-02-04 08:22:12

HOUSTON, Feb. 4, 2015 /PRNewswire/ -- PATTERSON-UTI ENERGY, INC.

2015-01-06 08:23:00

HOUSTON, Jan. 6, 2015 /PRNewswire/ -- PATTERSON-UTI ENERGY, INC.

2014-11-05 08:22:45

HOUSTON, Nov. 5, 2014 /PRNewswire/ -- PATTERSON-UTI ENERGY, INC.

2014-10-31 08:22:00

HOUSTON, Oct. 31, 2014 /PRNewswire/ -- PATTERSON-UTI ENERGY, INC.


Latest Patterson Reference Libraries

2012-06-14 09:13:53

Symbol: STPIP2 Group: Dicot Family: Convolvulaceae Duration: Perennial Growth Habit: Vine Forb/herb Native Status: L48    N Synonyms:   BRPIP Breweria pickeringii (Torr. ex M.A. Curtis) A. Gray var. pattersonii Fernald & B.G. Schub.   STPA16 Stylisma pattersonii (Fernald & B.G. Schub.) G.N. Jones Distribution: County distributions for the following U.S. states are available at PLANTS:AR, IL, KS, LA, OK, TX Classification:      ...

2012-06-14 12:42:21

Symbol: POABP Group: Monocot Family: Poaceae Duration: Perennial Growth Habit: Graminoid Native Status: L48    N AK    N CAN    N Synonyms:   POABJ Poa abbreviata R. Br. ssp. jordalii (A.E. Porsild) Hultén   POABJ2 Poa abbreviata R. Br. var. jordalii (A.E. Porsild) B. Boivin   POJO Poa jordalii A.E. Porsild   POPA3 Poa pattersonii Vasey Distribution: County distributions for the following U.S. states are...

aspa14_002_php
2012-06-18 09:54:47

Symbol: ASPA14 Group: Dicot Family: Fabaceae Duration: Perennial Growth Habit: Subshrub Forb/herb Native Status: L48    N Distribution: County distributions for the following U.S. states are available at PLANTS:AZ, CO, NM, UT Classification:       Kingdom   Plantae – Plants Subkingdom   Tracheobionta – Vascular plants Superdivision   Spermatophyta – Seed plants Division   Magnoliophyta – Flowering plants...

2012-06-18 10:38:44

Symbol: ARPA18 Group: Dicot Family: Asteraceae Duration: Perennial Growth Habit: Forb/herb Native Status: L48    N Distribution: County distributions for the following U.S. states are available at PLANTS:CO, NM, WY Classification:       Kingdom   Plantae – Plants Subkingdom   Tracheobionta – Vascular plants Superdivision   Spermatophyta – Seed plants Division   Magnoliophyta – Flowering plants Class...

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Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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