Directly supervise and coordinate activities of extractive workers and their helpers. Manager/Supervisors are generally found in smaller establishments where they perform both supervisory and management functions, such as accounting, marketing, and personnel work, and may also engage in the same extractive work as the workers they supervise.

Supervises and coordinates activities of workers engaged in the extraction of geological materials. Directs and leads workers engaged in extraction of geological materials. Assigns work to employees, using material and worker requirements data. Confers with staff and workers to ensure production personnel problems are resolved. Analyzes and resolves worker problems and recommends motivational plans. Analyzes and plans extraction process of geological materials. Trains workers in construction methods and operation of equipment. Examines and inspects equipment, site, and materials, to verify specifications are met. Recommends measures to improve production methods and equipment performance to increase efficiency and safety. Suggests and initiates personnel actions, such as promotions, transfers, and hires. Records information, such as personnel, production, and operational data on specified forms. Assists workers engaged in extraction activities, using hand tools and equipment. Locates, measures, and marks, materials and site location, using measuring and marking equipment. Orders materials, supplies and repair of equipment and machinery.

Administration and Management -- Knowledge of business and management principles involved in strategic planning, resource allocation, human resources modeling, leadership technique, production methods, and coordination of people and resources. Personnel and Human Resources -- Knowledge of principles and procedures for personnel recruitment, selection, training, compensation and benefits, labor relations and negotiation, and personnel information systems. English Language -- Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar. Engineering and Technology -- Knowledge of the practical application of engineering science and technology. This includes applying principles, techniques, procedures, and equipment to the design and production of various goods and services.

Coordination -- Adjusting actions in relation to others' actions. Management of Personnel Resources -- Motivating, developing, and directing people as they work, identifying the best people for the job. Time Management -- Managing one's own time and the time of others. Judgment and Decision Making -- Considering the relative costs and benefits of potential actions to choose the most appropriate one. Speaking -- Talking to others to convey information effectively. Active Listening -- Giving full attention to what other people are saying, taking time to understand the points being made, asking questions as appropriate, and not interrupting at inappropriate times. Critical Thinking -- Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems. Instructing -- Teaching others how to do something. Systems Evaluation -- Identifying measures or indicators of system performance and the actions needed to improve or correct performance, relative to the goals of the system. Equipment Selection -- Determining the kind of tools and equipment needed to do a job.

Oral Expression -- The ability to communicate information and ideas in speaking so others will understand. Near Vision -- The ability to see details at close range (within a few feet of the observer). Deductive Reasoning -- The ability to apply general rules to specific problems to produce answers that make sense. Information Ordering -- The ability to arrange things or actions in a certain order or pattern according to a specific rule or set of rules (e.g., patterns of numbers, letters, words, pictures, mathematical operations). Inductive Reasoning -- The ability to combine pieces of information to form general rules or conclusions (includes finding a relationship among seemingly unrelated events). Problem Sensitivity -- The ability to tell when something is wrong or is likely to go wrong. It does not involve solving the problem, only recognizing there is a problem. Visualization -- The ability to imagine how something will look after it is moved around or when its parts are moved or rearranged. Written Expression -- The ability to communicate information and ideas in writing so others will understand.

Monitor Processes, Materials, or Surroundings -- Monitoring and reviewing information from materials, events, or the environment, to detect or assess problems. Coordinating the Work and Activities of Others -- Getting members of a group to work together to accomplish tasks. Identifying Objects, Actions, and Events -- Identifying information by categorizing, estimating, recognizing differences or similarities, and detecting changes in circumstances or events. Getting Information -- Observing, receiving, and otherwise obtaining information from all relevant sources. Communicating with Supervisors, Peers, or Subordinates -- Providing information to supervisors, co-workers, and subordinates by telephone, in written form, e-mail, or in person. Guiding, Directing, and Motivating Subordinates -- Providing guidance and direction to subordinates, including setting performance standards and monitoring performance. Inspecting Equipment, Structures, or Material -- Inspecting equipment, structures, or materials to identify the cause of errors or other problems or defects. Organizing, Planning, and Prioritizing Work -- Developing specific goals and plans to prioritize, organize, and accomplish your work. Scheduling Work and Activities -- Scheduling events, programs, and activities, as well as the work of others. Making Decisions and Solving Problems -- Analyzing information and evaluating results to choose the best solution and solve problems.